"Diatomic" is a word in ENGLISH

A gaseous compound of carbon and hydrogen, in the proportion of two atoms of the former to two of the …

One of the elements, a solid substance resembling a metal in its physical properties, but in its chemical relations ranking …

Now especially applied to compounds containing a two atom nitrogen group uniting two hydrocarbon radicals, as in azobenzene, azobenzoic, etc. …

In the composition of chemical names bi- denotes two atoms, parts, or equivalents of that constituent to the name of …

Having two hydrogen atoms which can be replaced by negative atoms or radicals to form salts; -- said of bases. …

A compound consisting of two atoms of chlorine with one or more atoms of another element; -- called also dichloride.

A compound of two atoms of hydrogen with some other substance.

A sulphide having two atoms of sulphur in the molecule; a disulphide, as in iron pyrites, FeS2; -- less frequently …

Equivalent in combining or displacing power to two atoms of hydrogen; dyad.

A rare alkaline metal found in mineral water; -- so called from the two characteristic blue lines in its spectrum. …

One of a group of compounds including the sugars, starches, and gums, which contain six (or some multiple of six) …

One of the elementary substances, commonly isolated as a greenish yellow gas, two and one half times as heavy as …

A compound containing in the molecule two atoms of hydrogen united with some other element or radical.

A compound containing in the molecule two atoms of oxygen united with some other element or radical; -- usually called …

denoting two atoms, radicals, groups, or equivalents, as the case may be. See Bi-, 2.

A combining form (also used adjectively), meaning pertaining to, or derived from, a series of compounds containing a radical of …

Having two acid hydrogen atoms capable of replacement by basic atoms or radicals, in forming salts; bibasic; -- said of …

Having two atoms or equivalents of calcium to the molecule.

A compound of a binary type containing two atoms of iodine; -- called also biniodide.

An oxide containing but one atom or equivalent of oxygen to two of a metal; a suboxide.