the eighth letter of the English alphabet, is classed among the consonants, and is formed with the mouth organs in the same position as that of the succeeding vowel
a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
The symbol for Planck's constant. the eighth letter of the English alphabet aitch H-bomb
It is used with certain consonants to form digraphs representing sounds which are not found in the alphabet, as sh, th, &thlig;, as in shall, thing; also, to modify the sounds of some other letters, as when placed after c and p, with the former of which it represents a compound sound like that of tsh, as in charm (written also tch as in catch), with the latter, the sound of f, as in phase, phantom
(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure; "enthalpy is the amount of energy in a system capable of doing mechanical work"
The seventh degree in the diatonic scale, being used by the Germans for B natural
In some words, mostly derived or introduced from foreign languages, h following c and g indicates that those consonants have the hard sound before e, i, and y, as in chemistry, chiromancy, chyle, Ghent, Ghibelline, etc
the constant of proportionality relating the energy of a photon to its frequency; approximately 6 626 x 10\-34 joule-second