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matoxylon Campechianum), a native of South America, It is a red, heavy wood, containing a crystalline substance called hæmatoxylin, and is used largely in dyeing. An extract from this wood is used in medicine as an astringent. Also called Campeachy wood, and bloodwood.

f amarine, and regarded as a derivative of benzoic aldehyde. It is obtained in long white crystalline tufts, -- whence its name.

oside found in the seeds of several species of lupine, and extracted as a yellowish white crystalline substance.

in several species of lupine (Lupinus luteus, L. albus, etc.), and extracted as a bitter crystalline substance.

a yellow color. Cf. Cobaltic. Luteocobaltic chloride (Chem.), a brilliant reddish yellow crystalline compound, Co2Cl6(NH3)12, obtained by the action of ammonium chloride on an ammoniacal solution of cobaltic chloride.

A white crystalline substance forming the ethyl salt of malamic acid.

The acid amide derived from malic acid, as a white crystalline substance metameric with asparagine.

Pertaining to, or designating, an acid produced artifically as a white crystalline substance, CH2.(CO2H)2, and so called because obtained by the oxidation of malic acid.

A crystalline sugar formed from starch by the action of distance of malt, and the amylolytic ferment of saliva and pancreatic juice. It resembles dextrose, but rotates the plane of polarized light further to the right and possesses a lower cupric oxide reducing power.

ining to an acid first obtained from benzoic aldehyde (oil of better almonds), as a white crystalline substance; -- called also phenyl glycolic acid.

A white amorphous or crystalline substance, obtained by dehydration of mannite, and distinct from, but convertible into, mannitan.

A white amorphous or crystalline substance obtained by the partial dehydration of mannite.

A white crystalline substance of a sweet taste obtained from a so-called manna, the dried sap of the flowering ash (Fraxinus ornus); -- called also mannitol, and hydroxy hexane. Cf. Dulcite. HO.CH2.(CHOH)4.CH2.OH = D-mannitol; manna sugar; cordycepic acid; Diosmol; Mannicol; Mannidex; Osmiktrol; Osmosal. -- used in ph…

nown to be simply an intimate mixture of stearic and palmitic acids. (b) (Chem.) A white, crystalline substance, C17H34O2 of the fatty acid series, intermediate between palmitic and stearic acids, and obtained from the wax of certain lichens, from cetyl cyanide, and other sources.

, iron; chalybeate; as, martial preparations. [Archaic] Martial flowers (Med.), a reddish crystalline salt of iron; the ammonio-chloride of iron. [Obs.] -- Martial law, the law administered by the military power of a government when it has superseded the civil authority in time of war, or when the civil authorities are…

Lead protoxide, PbO, obtained as a yellow amorphous powder, the fused and crystalline form of which is called litharge; lead ocher. It is used as a pigment.

In mass; not necessarily without a crystalline structure, but having no regular form; as, a mineral occurs massive. Massive rock (Geol.), a compact crystalline rock not distinctly schistone, as granite; also, with some authors, an eruptive rock.

.), designating an acid related to aconitic acid, found in opium and extracted as a white crystalline substance.

ce regarded as an anhydride of meconinic acid, existing in opium and extracted as a white crystalline substance. Also erroneously called meconina, meconia, etc., as though it were an alkaloid.

trogenous base, C3H6N6, produced from several cyanogen compounds, and obtained as a white crystalline substance, -- formerly supposed to be produced by the decomposition of melam. Called also cyanuramide.