VALENCE n.
) with which it will combine, or for which it can be substituted, or with which it can be compared; thus, an atom of hydrogen is a monad, and has a valence of one; the atoms of oxygen, nitrogen, and carbon are respectively dyads, triads, and tetrads, and have a valence respectively of two, three, and four.…
VAPOR n.
orized hydrocarbon. -- Vapor density (Chem.), the relative weight of gases and vapors as compared with some specific standard, usually hydrogen, but sometimes air. The vapor density of gases and vaporizable substances as compared with hydrogen, when multiplied by two, or when compared with air and multiplied by 28.8,…
WORTHY a.
suitable, adapted, or equivalent qualities or value; -- usually with of before the thing compared or the object; more rarely, with a following infinitive instead of of, or with that; as, worthy of, equal in excellence, value, or dignity to; entitled to; meriting; -- usually in a good sense, but sometimes in a bad one.…