Search the Dictionary

An acid salt of sulphuric acid, having only one equivalent of base to two of the acid.

A binary compound of sulphur containing two atoms of sulphur in each molecule; -- formerly called disulphuret. Cf. Bisulphide.

Applied to an acid having in each molecule two atoms of sulphur in the higher state of oxidation. Disulphuric acid, a thick oily liquid, H2S2O7, called also Nordhausen acid (from Nordhausen in the Harts, where it was originally manufactured), fuming sulphuric acid, and especially pyrosulphuric acid. See under Pyrosulph…

A breach of concord and its effect; alienation. Such a disunion between the two houses as might much clouClarendon.

Having two thecæ, cells, or compartments.

The doctrine of those who maintain the existence of two gods or of two original principles (as in Manicheism), one good and one evil; dualism.

Containing two equivalents of sulphur; as, dithionic acid. Dithionic acid (Chem.), an unstable substance, H2S2O6, known only in its solutions, and in certain well-defined salts.

Having two kinds of young, as certain annelids.

A white, crystalline, aromatic hydrocarbon, C14H14, consisting of two radicals or residues of toluene.

The Greek major third, which comprehend two major tones (the modern major third contains one major and one minor whole tone).

Divided into twos or threes.

Containing two trochees.

A double trochee; a foot made up of two trochees.

The aforesaid thing; the same (as before). Often contracted to do., or to two "turned commas" ("), or small marks. Used in bills, books of account, tables of names, etc., to save repetition. A spacious table in the center, and a variety of smaller dittos in the corners. Dickens.

A double reading, or twofold interpretation, as of a Scripture text. [R.]

One of a series of complex nitrogenous substances regarded as containing two molecules of urea or their radicals, as uric acid or allantoin. Cf. Ureide.

Having two units of combining power; bivalent. Cf. Valence.

To part into two branches; to become bifid; to fork.

A separation into two parts or branches; a forking; a divergence.

A saying in which two members of the sentence are contrasted; an antithetical proverb. [Obs.] Italy, a paradise for horses, a hell for women, as the diverb goes. Burton.