molecules

تعريف molecules في الإنجليزية الإنجليزية القاموس.: small parts of matter; are particles consisting of two or more atoms held together by chemical bonds; the smallest unit of a compound that displays the properties of that compound; plural of molecule; The smallest parts in water is the water molecule A molecule is build up by atoms, that is even smaller than molecules; an entity of two or more atoms; When two or more atoms bond together, they are called molecules Examples include water (H2O - two atoms of hydrogen and one of water), carbon dioxide (C02 - one atom of carbon and two atoms of oxygen); the smallest physical units of a substance that still retain the chemical properties of that chemical substance; molecules are the building blocks of a cell Some examples are proteins, fats, carbohydrates, and nucleic acids; Combinations of two or more atoms of the same or different elements held together by chemical bonds
cell-adhesion molecules: plural form of cell-adhesion molecule
molecule: The smallest particle of a specific element or compound that retains the chemical properties of that element or compound; a group of atoms held together by chemical bonds
molecule: {n} a very minute particle
molecule: {i} smallest unit in a substance or compound (usually composed of one or more atoms); tiny particle
molecule: The smallest unit of matter of a substance that retains all the physical and chemical properties of that substance, consisting of a single atom or a group of atoms bonded together Example: A single water molecule (H2O) consists of just one single oxygen atom bonded to just two hydrogen atoms There are thousands of water molecules in a single droplet of water Molecules are too small to be seen without the assistance of powerful microscopes
molecule: (nontechnical usage) a tiny piece of anything
molecule: Two or more atoms contained together by covalent bonds Includes chemical substances which are the building blocks of cells such as proteins, sugars and fats
molecule: In propositional logic, a compound proposition as opposed to a simple proposition or atom See atom; compound proposition Monotonicity The property of a system by which adding new wffs to a set of wffs cannot invalidate previously valid derivations from that set If A is any wff, and Γ and Δ any sets of wffs, then a system is monotonic iff ΓA implies Δ,ΓA In non-monotonic logics, derivations valid from Γ can be invalid from ΓΔ Less formally, in non-monotonic logics, a conclusion that follows from a set of premises might no longer follow when new propositions are added to the set of premises and none subtracted
molecule: One of the very small invisible particles of which all matter is supposed to consist
molecule: A molecule is the smallest amount of a chemical substance which can exist by itself. the hydrogen bonds between water molecules. the smallest unit into which any substance can be divided without losing its own chemical nature, usually consisting of two or more atoms (molécule, from moles ). Smallest identifiable unit into which a pure substance can be divided and retain its composition and chemical properties. Division into still smaller parts, eventually atoms, involves destroying the bonding that holds the molecule together. For noble gases, the molecule is a single atom; all other substances have two (diatomic) or more (polyatomic) atoms in a molecule. The atoms are the same in elements, such as hydrogen (H2), and different in compounds, such as glucose (C6H12O6). Atoms always combine into molecules in fixed proportions. Molecules of different substances can have the same constituent atoms, either in different proportions, as in carbon monoxide (CO) and carbon dioxide (CO2), or bonded in different ways (see isomer). The covalent bonds in molecules give them their shapes and most of their properties. (The concept of molecules has no significance in solids with ionic bonds.) Analysis with modern techniques and computers can determine and display the size, shape, and configuration of molecules, the positions of their nuclei and electron clouds, the lengths and angles of their bonds, and other details. Electron microscopy can even produce images of individual molecules and atoms. See also molecular weight
molecule: Cf
molecule: A group of atoms arranged to interact in a particular way; one molecule of any substance is the smallest physical unit of that particular substance
molecule: Smallest part of an element or compound that exhibits the properties of the specific element or compound A molecule is normally considered a group of atoms
molecule: The smallest part of a chemical compound that can take part in a chemical reaction
molecule: (physics and chemistry) the simplest structural unit of an element or compound
molecule: The smallest particle, consisting of two or more atoms
molecule: A group of atoms so united and combined by chemical affinity that they form a complete, integrated whole, being the smallest portion of any particular compound that can exist in a free state; as, a molecule of water consists of two atoms of hydrogen and one of oxygen
molecule: in chemistry, the smallest particle of a specific element or compound that retains the chemical properties of that element or compound; a group of atoms held together by chemical bonds
molecule: a tiny amount
molecule: a substance composed of two or more atoms held together by chemical bonds
molecule: The smallest unit of a substance that can exist alone and retain the character of that substance
molecule: The smallest amount of a specific chemical substance that can exist alone (The break a molecule down into its constituent atoms is to change its character A molecule of water, for instance, reverts to oxygen and hydrogen )
molecule: the simplest structural unit of a substance that retains the properties of the substance, and is composed of one or more atoms
molecule: A particle made up of two or more atoms
molecule: The smallest particle of an element or compound capable of a stable, independent existence
molecule: Atom
molecule: The smallest chemical species of a substance that is capable of stable independent existence
molecule: The smallest unit of a compound A water molecule consists of two of hydrogen atoms combined with one oxygen atom Hence the well-known formula, H2O
molecule: n Smallest physical unit of a substance that can exist independently, consisting of one or more atoms held together by chemical forces
molecule: The smallest possible quantity of atoms that retains the chemical properties of an element or compound A molecule is made up of 2 or more atoms that are chemically combined
molecule: The smallest part of any substance which possesses the characteristic properties and qualities of that substance, and which can exist alone in a free state
molecule: the smallest part of a substance that still resembles the substance; it is usually made up of two or more atoms A water molecule is made up of two hydrogen atoms and one oxygen atom (H2O)
molecule: The smallest particle of a substance that can exist in the free state and which has the same composition as any larger mass of the substance
molecule: Smallest quantity of a substance that retains the properties of that substance
molecule: The simplest combination of atoms that will form a specific chemical compound; the smallest particle of a substance which will still retain the essential composition and properties of that substance, and which can be broken down only into atoms and simpler substances
molecule: The smallest unit that a substance can be divided into without causing a change in the chemical nature of the substance
molecule: A collection of two or more atoms held together by chemical bonds; the smallest unit of a compound that displays the properties of the compound (Latin, moliculus, a small mass)
molecule: The smallest part of any substance which has the qualities of that substance, and which can exist alone in a free state As an example, a molecule of water consists of two atoms of hydrogen and one of oxygen

molecules

التركية النطق

mälıkyulz

النطق

/ˈmäləˌkyo͞olz/ /ˈmɑːləˌkjuːlz/

علم أصول الكلمات

[ 'mä-li-"kyü(&)l ] (noun.) 1794. French molécule, from New Latin molecula, diminutive of Latin moles mass.

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فيديوهات

... can now create anti-molecules and anti-atoms. Anti-hydrogen was made at CERN outside Geneva, ...

السابق

molecules

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