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

A compound containing in the molecule two atoms of oxygen united with some other element or radical; -- usually called dioxide, or less frequently, binoxide.

lop the bud into a flower; to develop the mind. The sound developed itself into a real compound. J. Peile. All insects . . . acquire the jointed legs before the wings are fully developed. Owen.

To give up wholly; to addict; to direct the attention of wholly or compound; to attach; -- often with a reflexive pronoun; as, to devote one's self to science, to one's friends, to piety, etc.

Any compound containing two amido groups united with one or more acid or negative radicals, -- as distinguished from a diamine. Cf. Amido acid, under Amido, and Acid amide, under Amide.

A compound containing two amido groups united with one or more basic or positive radicals, -- as contrasted with a diamide.

An electuary compounded of four medicines.

ning form (also used adjectively), meaning pertaining to, or derived from, a series of compounds containing a radical of two nitrogen atoms, united usually to an aromatic radical; as, diazo- benzene, C6H5.N2.OH.

To subject to such reactions or processes that diazo compounds, or their derivatives, shall be produced by chemical exchange or substitution.

Furnishing or giving two colors; -- said of defective vision, in which all the compound colors are resolvable into two elements instead of three. Sir J. Herschel.

A compound of a binary type containing two cyanogen groups or radicals; -- called also bicyanide.

erential combination produces such a change of motion or force as would, with ordinary compound arrangements, require a considerable train of parts. It is used for overcoming great resistance or producing very slow or very rapid motion. -- Differential pulley. (Mach.) (a) A portable hoisting apparatus, the same in pri…

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

Crystallization in two independent forms of the same chemical compound, as of calcium carbonate as calcite and aragonite.

To strike; to thump; to pound. [Obs.] Diken, or delven, or dingen upon sheaves. Piers Plowman.

e of assimilation; downward metabolism. The breaking down of already existing chemical compounds into simpler ones, sometimes called disassimilation. Martin.

s in one plane, so as to form a disk, as the pearly nautilus. Discoid flower (Bot.), a compound flower, consisting of tubular florets only, as a tansy, lacking the rays which are seen in the daisy and sunflower.

ashing; opposing; not harmonious. The discordant elements out of which the emperor had compounded his realm did not coalesce. Motley.

The central part of a radiate compound flower, as in sunflower.

To spend; to lay out; to expend. [Obs.] Spenser. Able to dispend yearly twenty pounds and above. Fuller.