Search the Dictionary

A salt of cyanic acid. Ammonium cyanate (Chem.), a remarkable white crystalline substance, NH4.O.CN, which passes, on standing, to the organic compound, urea, CO.(NH)2.

A mineral occuring in thin-bladed crystals and crystalline aggregates, of a sky-blue color. It is a silicate of aluminium. [Written also kyanite.]

rea, and called pyrouric acid; afterwards obtained from isocyanic acid. It is a white crystalline substance, odorless and almost tasteless; -- called also tricarbimide.

or sac without opening, usually membranous and containing morbid matter, which is accidentally developed in one of the natural cavaties or in the substance of an organ.

A white crystalline substance, C3H7NSO2, containing sulphur, occuring as a constituent of certain rare urinary calculi, and occasionally found as a sediment in urine.

A white crystalline, sugary substance obtained from an African caotchouc.

A crystalline vari ety of fruit sugar obtained from dambonite.

A colorless crystalline substance, C9H6O4, extracted from daphnin.

A white, crystalline, bitter substance, regarded as a glucoside, and extracted from Daphne mezereum and D. alpina.

A white crystalline glucoside extracted from the bastard hemp (Datisca cannabina).

In currying, a mixture of fish oil and tallow worked into leather; -- called also dubbing. Knight.

A rare metallic element found in platinum ore. It is a white malleable substance. Symbol Da. Atomic weight 154.

In a manner to occasion death; mortally. The groanings of a deadly wounded man. Ezek. xxx. 24.

. -- Dean of a monastery, Monastic dean, a monastic superior over ten monks. -- Dean's stall. See Decanal stall, under Decanal.

ll as decanal residence. Churton. Decanal side, the side of the choir on which the dean's tall is placed. -- Decanal stall, the stall allotted to the dean in the choir, on the right or south side of the chancel. Shipley.

Used of the side of the choir on which the dean's stall is placed; decanal; -- correlative to cantoris; as, the decanal, or decani, side.

ed by a foreign mineral, usually an oxide of manganese, as in the moss agate; also, a crystallized mineral having an arborescent form, e. g., gold or silver; an arborization.

Pertaining to a dendrite, or to arborescent crystallization; having a form resembling a shrub or tree; arborescent.

ation of light (Opt.), a change in the plane of polarization of rays, especially by a crystalline medium, such that the light which had been extinguished by the analyzer reappears as if the polarization had been anulled. The word is inappropriate, as the ray does not return to the unpolarized condition.…

A mast, spar, or tall frame, supported at the top by stays or guys, with suitable tackle for hoisting heavy weights, as stones in building. Derrick crane, a combination of the derrick and the crane, having facility for hoisting and also for swinging the load horizontally.