Online English Turkish and Multilingual Dictionary 20+ million words and idioms.

(Askeri) bomba imha

bomb hoist

(Askeri) bomba vinci

bomb making

bomba yapımı

(Askeri) bomba salan

(Askeri) bomba askısı

bomb-release assembly

(Askeri) bomba salanı

(Askeri) vizör

bomb disposal expert

bomba-release montaj

bomb alarm system

(Askeri) BOMBARDIMAN ALARM SİSTEMİ: Atış esasları kayıt merkezlerine nükleer infilak raporlarını göndermek üzere, Kuzey Amerika'da kilit hedef bölgelerini kuşatmış, tamamen otomatik, bir detektörler sistemi. Ayrıca bakınız: "Nudets" ve "nuclear detonation detection and reporting system"

(Askeri) BOMBA BÖLMESİ: Bombardıman uçaklarında bir kompartıman. Bombalar burada taşınır ve buradan atılır

bomb cemetery

(Askeri) BOMBA MEZARLIĞI: Bombaların, tapaları emniyete alındıktan sonra, imha maksadıyla götürüldükleri belirli bir saha

bomb cluster

(Askeri) bomba demeti

bomb control

(Askeri) bomba salış tertibatı

bomb control

(Askeri) BOMBA SALIŞ TERTİBATI: Bak. "bomb release mechanism"

bomb damage assessment

(Askeri) BOMBA HASAR DEĞERLENDİRİLMESİ: Tüm hava taarruzlarının hedefler üzerindeki etkisinin belirlenmesi. (Ör. bombalar, roketler, sektirme, tarama hücumları. )

bomb debris

(Çevre) bomba enkazı

bombayı etkisiz hale getirme

bomba imhası

(Askeri) BOMBALARI ZARARSIZ HALE GETİRME: Patlamış bomba ve mermilere müdahale ve bunları zararsız bir hale getirmede veya patlatmak suretiyle tahripte takip edilen bilimsel ve teknik usul

bomb disposal unit

(Askeri) BOMBA İMHA BİRLİĞİ, BOMBALARI ZARARSIZ HALE GETİRME BİRLİĞİ: Bknz. "explosive ordnance unit"

bomb dog

(Askeri) bomba köpeği

bomb door

(Askeri) BOMBARDIMAN KAPAĞI: Bir bombardıman uçağı bomba bölgesinin alt kısmında bulunan kapak veya panjur. Bu kapak, bombanın uçaktan atılabilmesini temin için yapılmıştır

bomb door

(Askeri) bombardıman kapağı

bomb explode

bomba patlamak

bomb hoist

(Askeri) BOMBA VİNCİ: Ağır bombaların uçaklara yükletilmesi işlerinde kullanılan vinç

bomb impact plot

(Askeri) BOMBA SADME GRAFİĞİ: Hedef bölgesinin, genellikle darbe öncesi çekilmiş fotoğrafı olan, ve belli bir bombardıman taarruzunda atılan bombaların vuruş veya patlama noktalarının işaretlendiği bir grafik şekil

bomb launcher

(Askeri) bomba fırlatma sistemi

bomb lift truck

(Askeri) bomba yükleyici

bomb line

(Askeri) BOMBA EMNİYET HATTI: Bknz. "fire support coordination line"

bomb lines

(Askeri) BOMBA EMNİYET HATLARI: Dost uçaklar tarafından yapılacak taarruzları sınırlamak için tespit edilmiş hatlar (arazi). Bak. "forward bomb lines" ve "tactical bomb lines"

bomb loader

(Askeri) bomba yükleyici

bomb panic

bomba paniği

bomb proof

(Askeri) BOMBA EMNİYETLİ: Bomba ve mermilere karşı koruyucu sayılacak kadar mukavim

bomb release mechanism

(Askeri) BOMBA SALAN HÜCRE, BOMBA SALANLAR: Bombaların uçaklar içinde taşınmasını temin eden cihaz, aynı zamanda, bombaların serbest bırakılarak atılmalarını temin eden tertibatı da ihtiva eder. Buna kısaca "rack" de denir

bomb reconnaissance

(Askeri) BOMBA ARAMA: Patlamamış mermilerin mevcudiyetini tespit, mahiyetini tayin ve personel, tesis ve teçhizatın korunması için mümkün olan koruyucu tedbirleri tatbik etmek ve nihayet, bombaların zararsız hale getirilmesi faaliyetlerini idare eden makama gerekli bilgileri vermek üzere yapılan araştırma

bomb release line

(Askeri) BOMBA SALIVERME HATTI: Bir uçağın bir bölge veya hedefte isabet veya isabetler elde edebilmesi için savunulan bir bölge veya hedef çevresinde bombasını salması gereken hayali hat. Ayrıca bakınız: "initial bomb release line" ve "final bomb release line"

(Askeri) BOMBA BIRAKMA TERTİBATI: Bir bombardıman uçağında, bombaların, bomba salan hücreden serbest bırakılarak atılmalarını temin eden tertibat. Buna "release mechanism", "bomb control", "bomb control mechanism" ve "bomb rack control" da denir

bomb release point

(Askeri) BOMBA BIRAKMA NOKTASI: Bombaların, arzu edilen infilak noktasına varabilmeleri için bırakılmaları gereken boşluktaki bir nokta

bomb scare

bomba patlama tehlikesi

bomb service truck

(Askeri) BOMBA KAMYONU: Bomba taşımaya mahsus özel araç

bomb sight

(Askeri) BOMBARDIMAN NİŞAN ALETİ: Uçaklarda bulunan ve bombanın hedef üzerinde tam isabetini temin etmek üzere, uçuş sırasında atılması gereken noktayı tespit eden alet

bomb sighting systems

(Askeri) TAKOMETRİK VEYA SENKRONİZE NİŞANGAHLAR: Nişan çizgisini hedef üzerinde tutarak ve böylece hedefe oranla sürati ve bazı durumlarda hedef boyunca yolu hesaplayarak bombayı otomatik olarak doğru bombardıman açısında salan nişan alma sistemleri

(Tiyatro) patlama kutusu

bomb trailer

(Askeri) bomba römorku

bomb trailer

(Askeri) bomba arabası

bomb trailer

(Askeri) BOMBA RÖMORKU, BOMBA ARABASI: Kol halinde veya tek başına çekilen ve bombaları taşımakta kullanılan araç

bomb up

bomba ile donatmak (uçak)

petrol bomb

molotof kokteyli

(Argo) graffiti yapmak

bombalama eylemi

(Politika, Siyaset) bombalı saldırı

(Askeri) bombalayarak

Düşmanlar tesisi bombalayarak imha ettiler. - The enemies destroyed the plant by bombing.

bombalı eylem

cost a bomb

(Konuşma Dili) pahalıya patlamak

cost a bomb

(Konuşma Dili) pahalıya mal olmak

delayed action bomb

(Askeri) geciktirmeli bomba

glide bomb

(Askeri) süzülen bomba

logic bomb

(Bilgisayar) yazılım bombası

practice bomb

(Askeri) eğitim bombası

(Askeri) yapışkan bomba

(Askeri) saatli bomba

A-bomb

atom bombası

Atom bombası korkunç bir silahtır. - An A-bomb is a terrible weapon.

antipersonnel bomb

insan öldürücü bomba

armour piercing bomb

Atom bombası tüm Hiroşima şehrini yıktı. - The atomic bomb destroyed the entire city of Hiroshima.

Atom bombasının nasıl yapılacağını biliyorlar. - They know how to make an atomic bomb.

Grup bombalama sorumluluğunu üstlendi. - The group claimed responsibility for the bombings.

Nagazaki ve Hiroşimanın nükleer bombalamalarından itibaren, Japonya saygılı ve barışçı bir geleneği sürdürmüştür. - Since the nuclear bombings of Nagasaki and Hiroshima, Japan has maintained a respectful and pacifist tradition.

kendi kuvvetiyle uçan bomba

bombardıman

İnsani bombardıman ifadesi bir oksimorondur. - The phrase humanitarian bombing is an oxymoron.

Tom ve Mary bombardımanı atlattılar. - Tom and Mary survived the bombing.

high explosive bomb

yüksek infilak bombası

hydrogen bomb

hidrojen bombası

Antlaşma atom bombası ve hidrojen bombasını yasaklıyor. - The treaty bans atomic bombs and hydrogen bombs.

illuminating bomb

aydınlatma bombası

incendiary bomb

yangın bombası

lachrymatory bomb

thermonuclear bomb

Saatli bomba büyük bir gürültüyle patladı. - The time bomb exploded with a loud noise.

Bu subatanlar saatli bombadırlar. - These sinkholes are time bombs.

Görgü tanıkları bombalamadan hemen sonra Tom'un Park Street'te güneye doğru yürüdüğünü gördüler. - Eye witnesses saw Tom walking south on Park Street just after the bombing.

Düşmanlar tesisi bombalayarak imha ettiler. - The enemies destroyed the plant by bombing.

Atom bombaları insan ırkı için bir tehlikedir. - Atomic bombs are a danger to the human race.

Uçak şehrin üzerine bombalar bıraktı. - The plane dropped bombs on the city.

cherry bomb

kiraz bomba

demolition bomb

tahrip gücü yüksek bomba

drop the f-bomb

(deyim) İçinde "sık" li bir kelimenin geçtiği küfür etmek, şıktır çekmek

The car wouldn't start, so I dropped the f-bomb in front of my grandmother.

dumb bomb

aptal bomba

f-bomb

(deyim) İçinde "sık" li kelimelerin geçtiği küfür

The car wouldn't start, so I dropped the f-bomb in front of my grandmother.

Zaman ayarlı bomba gürültüyle patladı. - The time bomb exploded with a loud noise.

volcanic bomb

yanardağ bombası, yanardağ yumrusu

{s} kafayı bulmuş

{s} sarhoş

{s} uyuşturucu almış

{s} esrarın etkisinde olan

(Askeri) BOMBARDIMAN, BOMBALAMA: Bir uçaktan, düşman hedefleri üzerine bomba salma. Ayrıca bakınız: "area bombing", "pattern bombing", "precision bombing", "single shot bombing" ve "salvo bombing"

(isim) bombalama

The atomic bomb; the capacity to launch a nuclear attack. Often used with “the”

{k} atom bombası

English - English

Definition of bomb in English English dictionary

Pakistan and India both have the Bomb now.

A very attractive woman; a bombshell

A long forward pass

An explosive device used or intended as a weapon

: A failure; an unpopular commercial product

That movie was a bomb.

A car in poor condition

Nowadays, an old bomb simply won’t pass the inspection.

The atomic bomb

During the Cold War, everyone worried about the bomb sometimes.

An action or statement that causes a strong reaction

Normally very controlled, he dropped the F-bomb and cursed the paparazzi.

A success; the bomb

Our fabulous new crumpets have been selling like a bomb.

To attack using one or more bombs; to bombard

To fail dismally

Despite all the marketing, our product bombed. Nobody would buy it.

A heavy-walled container designed to permit chemical reactions under high pressure

The titanium tetrachloride is then reduced with sodium to form pure metallic titanium (99.9%) by heating TiCl4 with Na in a steel bomb at 700–800 °C in the Hunter process.

a hollow projectile containing an explosive material

{v} to attack with bombs, not used

{n} a shell to be filled with powder, and sent from a mortar

The atomic bomb; the capacity to launch a nuclear attack. Often used with "the"

A general synonym for crash, normally pertaining to software failure

A shell; esp

an explosive device fused to denote under specific conditions

A virus which waits for an event to occur (such as a specified date) before executing its code

A general synonym for crash, normally of software or operating system failures

{i} explosive device; (Slang used in Canada & USA) the bomb, extraordinarily good person, something that is good in an outstanding manner, excellent thing

Nuclear weapons are sometimes referred to as the bomb. They are generally thought to have the bomb

A bomb is a device which explodes and damages or destroys a large area. Bombs went off at two London train stations It's not known who planted the bomb Most of the bombs fell in the south There were two bomb explosions in the city overnight

Prolific writing

When people bomb a place, they attack it with bombs. Airforce jets bombed the airport. + bombing bombings bomb·ing Aerial bombing of rebel positions is continuing There has been a series of car bombings. see also petrol bomb, pipe bomb. In volcanology, any unconsolidated volcanic material that has a diameter greater than

to perform a comedy show which gets no or few laughs

A car in poor condition. Used often as old bomb

n a device that explodes with great force; v to attack or destroy with bombs

an event that fails badly or is totally ineffectual; "the first experiment was a real turkey"; "the meeting was a dud as far as new business was concerned"

25 in. (32 mm). Bombs form from clots of wholly or partly liquid lava ejected during a volcanic explosion; they solidify and become rounded during flight. The final shape is determined by the initial size, viscosity, and flight velocity of the magma. atomic bomb depth bomb hydrogen bomb thermonuclear bomb H bomb neutron bomb smart bomb buzz bomb flying bomb

Better off modified baby! - used by the diesel gang who hop up thier engines

In lubrication terminology, a closed container used for conducting tests under elevated pressures

Fragment of molten or semi-molten rock, 2 1/2 inches to many feet in diameter, which is blown out during an eruption Because of their plastic condition, bombs are often modified in shape during their flight or upon impact

A bomb ketch

boulder-size chunk of partly solidified lava explosively ejected from a volcano

To fail spectacularly

Dolly Post Production

A great noise; a hollow sound

A device filled with explosives used for destroying things

A very attractive woman

A device constructed in order to prove that peaceful coexistence is impossible

malicious software designed to cause damage upon execution Typical examples include email and web bombs

To sound; to boom; to make a humming or buzzing sound

To fail suddenly

Back pullover from a tucked seat drop position Classed as a Dangerous move

a long pass thrown to a receiver sprinting down the field

{f} drop and explode bombs; fail (Slang)

(bäm)

fail to get a passing grade; "She studied hard but failed nevertheless"; "Did I fail the test?"

A bombD triggers a blastD It appears to be referring to code that raises exceptions deliberately "Planting a bombD" is the act of putting in exception raising code --JohnDougan

A failure; an unpopular commercial product

throw bombs at or attack with bombs; "The Americans bombed Dresden"

To crash or freeze a computer

Inappropriate term for shell

A thick-walled container, usually steel used to hold samples of oil or gas under pressure See bottomhole pressure

strong sealed vessel for measuring heat of combustion

A large fragment of volcanic ejecta Some bombs show twisted forms indicating that they were still liquid when ejected, but solidified before landing 'Breadcrust' and 'cowpat' bombs are named for their appearance

To bombard

a spherical shell, like those fired from mortars

To attack something by using one or more bombs; to bombard

bomb around

The drive around at speed for pleasure

bomb it

To travel very rapidly, especially in a vehicle

I sprinted across to the fire exit and bombed it down the stairs like a wet cat.

An air-raid shelter, a structure designed to give protection against bombs

bomb shelters

plural form of bomb shelter

An area that an active bomb is contained in, normally sealed off by the authorities

A building or other site destroyed by enemy aerial bombardment

bomb sites

plural form of bomb site

bomb-ass

Excellent; great; very successful

And you know that's right, but I still have to represent myself as the bomb-ass babe that I am,” I said as I joined in with her laughter.

strong sealed vessel for measuring heat of combustion

The process by which hazardous explosive devices are rendered safe. Bomb disposal is an all encompassing term to describe the separate, but interrelated functions in the following fields:

bomb bay

The compartment in the fuselage of a combat aircraft into which bombs are loaded and from which they are dropped

bomb blast

the explosion of a bomb

bomb calorimeter

disassembly and deactivation of bombs

line on a map which shows the location of the enemy's ground forces

Bomb disposal is the job of dealing with bombs which have not exploded, by taking out the fuse or by blowing them up in a controlled explosion. an Army bomb disposal squad. the job of dealing with bombs that have not exploded, and making them safe bomb disposal experts/team/squad/unit

bomb line

bomb load

load of bombs carried by a bomber

bomb out

make somebody homeless by destroying their houses with bombs

bomb out

If a building or area is bombed out, it is destroyed by bombs. If people are bombed out, their houses are destroyed by bombs. London had been bombed out see also bombed-out

a device on an aircraft for carrying bombs

device for carrying bombs in an aircraft

A framework or mechanical holder for bombs on a combat aircraft

bomb release point

location at which bombs are released from an aircraft

bomb scare

when people have to be moved out of a building because there may be a bomb there

a room or building that is built to protect people from bomb attacks

{i} bunker used to protect against bomb attacks

a chamber (often underground) reinforced against bombing and provided with food and living facilities; used during air raids

an area in a town that has been devastated by bombs; "they opened a parking lot on the bomb site

load an aircraft with bombs

A bomb site is an empty area where a bomb has destroyed all the buildings. In London, where I grew up, we were surrounded by bomb sites. a place where a bomb has destroyed several buildings in a town

bomb up

bomb-resistant

protected against damage from bombs

borer bomb

a device used to eradicate pests, especially boring insects, by releasing toxic fumes

bouncing bomb

A bomb designed to bounce to a target across water in a calculated manner, in order to avoid obstacles and allow the bomb's speed and detonation time to be pre-determined

box-office bomb

A motion picture that generates relatively low revenue at the box office, especially that which is less than the budget for the motion picture

My favorite movie was a giant box-office bomb.

-bomb

A type of bomb, generally nuclear, as in A-bomb and H-bomb

-bomb

Used in denoting a taboo word beginning with a given letter

Dude, he was pissed! He was dropping f-bombs all over the place.

A-bomb

An atomic bomb; a weapon that derives its energy from nuclear reactions and has enormous destructive power. Explosion caused by splitting an atom

Google bomb

An attempt to influence the page ranking of a webpage within the Google search engine by linking to it from many other sources

H-bomb

hydrogen bomb

L-bomb

an expression of love, usually one that provokes a significant change in a relationship

Then take her on a tour of places that are special to the two of you — the bar where you had your first date, the park where you dropped the L-bomb, ”.

atom bomb

Alternative form of atomic bomb

atomic bomb

A nuclear weapon that obtains its destructive energy from nuclear fission

bass bomb

An extremely low bass note that, when played through a subwoofer, physically shakes the listener

batista bomb

a move in professional wrestling; a powerbomb

Present participle of bomb

The action of dropping bombs from the air

The action of placing and detonating bombs

bombs

Third-person singular simple present indicative form of bomb

butter bomb

A wine in which diacetyl is deliberately promoted in order to impart a buttery flavour

The result is a creamy, fruit-driven wine that is by no means a butter-bomb.

buzz bomb

any small, jet-propelled flying missile that carries a bomb

buzz bomb

the V-1 flying bomb; the doodlebug

buzz-bomb

To bomb with a buzz bomb (jet-propelled missile or doodlebug)

An explosive device installed in an automobile with the primary purpose to kill the occupants of the car

Flatulence in an enclosed automobile

An automobile laden with a large amount of explosives, and used as a bomb primarily in order to cause external damage

An alcoholic beverage made by dropping a shot of liquor into a glass of beer

carpet bomb

To bomb an area in such a manner that the ordnance covers the entire area without gaps

The infantry were destroyed after the enemy carpet bombed the ground they were occupying.

carpet-bomb

Alternative spelling of carpet bomb

chemical bomb

Any explosive device that releases a noxious chemical compound (such as chlorine) upon detonation

chemical-bomb

Attributive form of chemical bomb

chemical-bomb detonator.

cherry bomb

A spherical firecracker that generates a high-power explosion

cherry-bomb

A four square ball game term which basically means spiking the ball or slamming it down with a force to make it hard for a person to retrieve it to stay in the game. A cherry-bomb with an even more impressive force would be called a tree-top

cluster bomb

Explosive munition designed to explode in the air and release a cluster of smaller explosives, thus spreading the blast over a larger area

da bomb

the best

dirty bomb

A nuclear bomb that spreads radiation over a wide area due to inefficiency or design

dirty bomb

A device containing conventional explosives and radioactive material, designed to spread radiation over a wide area

dot bomb

A failed dot-com company

The 1990s saw many dot bombs.

drop a bomb

To announce surprising or alarming information suddenly and without warning

drop a bomb

to release faeces from the bowels; to excrete

prepare your backpack and MAYBE spare a minute to drop a bomb in the toilet?.

drop the F-bomb

Alternative spelling of drop the f-bomb

drop the f-bomb

To utter the word fuck

From hip-hop artists to bloggers to the vice president of the United States, everyone's dropping the F-bomb.

f-bomb

The word fuck

The Ontario government treaded similar territory with the rollout of its Flick Off campaign, intended to encourage young people to conserve energy by turning off lights and appliances, but obviously hinting at the f-bomb.

fission bomb

An atomic bomb that uses nuclear fission as a source of energy

I heard the fission bomb test clearly and I was over a hundred miles away.

flying bomb

any early guided missile, but especially the V-1

fork bomb

the creation of a large number of self-replicating tasks or processes in a computer system in order to produce a denial of service

fusion bomb

An atomic bomb that uses nuclear fusion as a source of energy; a hydrogen bomb

gay bomb

A theoretical chemical weapon intended to make soldiers of an opposing force sexually attracted to one another

hydrogen bomb

A thermonuclear bomb which derives its destructive power from the fusion of isotopes of hydrogen (deuterium and tritium)

letter bomb

An explosive device sent through the post, triggered to explode when the letter or packet is opened

letter bomb

A virus contained within an email or similar file

liquid bomb

Any bomb disguised as a harmless bottle of soft drink, milk, medicine etc

liquid bomb

Any bomb constructed by mixing liquid ingredients so disguised

logic bomb

A piece of code intentionally inserted into a software system that will set off a malicious function when specified conditions are met

love bomb

A type of chemical weapon that makes enemy soldiers attracted to each other

mail bomb

To send a mail bomb (in either sense)

mail bomb

An explosive device sent through the post; a letter bomb or parcel bomb

mail bomb

A large number of e-mails sent to one destination, or an e-mail with a very large attachment

money bomb

An intense, short-term internet fundraising campaign, usually taking 24 hours or less

n-bomb

The word nigger

ALF’s racist N-bomb blooper reel has inspired another member of the 1980s sitcom cast to air an expletive of his own.

nail bomb

A bomb designed to cause extensive wounding by packing sharp objects around the explosive; used especially by terrorists and suicide bombers

nail-bomb

Attributive form of nail bomb, noun

neutron bomb

An atomic bomb that produces a greater amount of neutrons, and a lesser amount of blast; the intention being to destroy life but not infrastructure

nuclear bomb

A nuclear weapon

parcel bomb

A bomb, disguised as a parcel, set to explode when unwrapped

petrol bomb

A Molotov cocktail

pipe bomb

an improvised explosive device consisting of blasting powder encased in a metal pipe to increase the blast effect

roadside bomb

An explosive device placed at the side of a road and exploded when the target passes

sake bomb

A drink made by dropping a shot glass of sake (shot glass included) in a larger glass of beer

stink-bomb

Attributive form of stink bomb

stink-bomb thrower.

The atomic bomb; the capability to launch a nuclear attack. Often capitalized

Pakistan and India both have the Bomb now.

A success; something excellent

That party was the bomb!.

time bomb

A situation that threatens to have disastrous consequences at some future time

time bomb

A bomb that has a mechanism such that detonation can be preset to a particular time

time-bomb

Alternative spelling of time bomb

water bomb

A small balloon filled with water which bursts upon being thrown at somebody, thereby getting that person all wet

drop a bomb

(Ev ile ilgili) Announce shocking or startling news

cluster bomb

(Askeri) Cluster Munitions or Cluster Bombs are air-dropped or ground-launched munitions that eject a number of smaller submunitions ("bomblets"). The most common types are intended to kill enemy personnel and destroy vehicles. Submunition based weapons designed to destroy runways, electric power transmission lines, deliver chemical or biological weapons, or to scatter land mines have also been produced. Some submunition based weapons can disperse non-munition payloads, such as leaflets

drop the f-bomb

(deyim) Utter a "fuck" related bad word

f-bomb

(deyim) Relates to a situation where someone said fuck. Always preceded by a form of to drop

The car wouldn't start, so I dropped the f-bomb in front of my grandmother.

go like a bomb

(deyim) move very fast

go like a bomb

(deyim) be very successful

incendiary bomb

(Silahlar) Incendiary bombs or incendiary devices are bombs designed to start fires or destroy sensitive equipment using materials such as napalm, thermite, chlorine trifluoride, or white phosphorus

A bomb

bombshell

She dropped a bombshell upon him. - She dropped a bombshell on him.

She dropped a bombshell on him. - She dropped a bombshell upon him.

Intoxicated by alcohol or a drug. very drunk or affected by illegal drugs = stoned

{s} (Slang) drunk, pissed (e.g., "After last night's party, Gerry was totally bombed")

past of bomb

{i} shelling, bombarding, dropping bombs on

an attack by dropping bombs

an attack by dropping bombs the use of bombs for sabotage; a tactic frequently used by terrorists

the use of bombs to attack a place

the use of bombs for sabotage; a tactic frequently used by terrorists

bombings

plural of bombing

bombs

third-person singular of bomb