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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.

Composed pf two coherent, one-seeded carpels; as, a dicoccous capsule.

To tell or utter so that another may write down; to inspire; to compose; as, to dictate a letter to an amanuensis. The mind which dictated the Iliad. Wayland. Pages dictated by the Holy Spirit. Macaulay.

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

A hollow internally threaded screw-cutting tool, made in one piece or composed of several parts, for forming screw threads on bolts, etc.; one of the separate parts which make up such a tool. Cutting die (Mech.), a thin, deep steel frame, sharpened to a cutting edge, for cutting out articles from leather, cloth, paper,…

ay therefore went I with the constable, leaving the old warden and the young constable to compose their difference as they could. T. Ellwood.

ifferential 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…

To break or separate into parts; to deflect, or decompose by deflection, a

The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits, causing the appearance of parallel bands or fringes of prismatic colors, as by the action of a grating of fine lines or bars. Remarked by Grimaldi (1665), and referred by him to a property of light which he calle…

Consisting of two hexagonal parts united; thus, a dihexagonal pyramid is composed of two hexagonal pyramids placed base to base.

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

Composed of, or having, two parts of each kind.

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

Crystallizing under two forms fundamentally different, while having the same chemical composition.

To destroy the aggregation of; to separate into component parts, as an aggregate mass.

The separation of an aggregate body into its component parts.

The decomposition of complex substances, within the organism, into simpler ones suitable only for excretion, with evolution of energy, -- a normal nutritional process the reverse of assimilation; downward metabolism. The breaking down of already existing chemical compounds into simpler ones, sometimes called disassimil…

orls 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.

To confuse the faculties of; to disturb the composure of; to discompose; to abash. The embrace disconcerted the daughter-in-law somewhat, as the caresses of old gentlemen unshorn and perfumed with tobacco might well do. Thackeray.

The act of disconcerting, or state of being disconcerted; discomposure; perturbation. [R.] State Trials (1794).