n. [ L. aconitum, Gr. &unr_;: cf. F. aconit. ] 1. (Bot.) The herb wolfsbane, or monkshood; -- applied to any plant of the genus Aconitum (tribe Hellebore), all the species of which are poisonous. [ 1913 Webster ]

2. An extract or tincture obtained from Aconitum napellus, used as a poison and medicinally. [ 1913 Webster ]

Winter aconite, a plant (Eranthis hyemalis) allied to the aconites. [ 1913 Webster ]

n. [ From T. Allan, who first distinguished it as a species. ] (min.) A silicate containing a large amount of cerium. It is usually black in color, opaque, and is related to epidote in form and composition. [ 1913 Webster ]

n. (Min.) Alum stone. [ 1913 Webster ]

{ } n. [ Named from the river Amazon. ] (Min.) A variety of feldspar, having a verdigris-green color. [ 1913 Webster ]

n. [ L. cornu Ammonis born of Ammon; L. Ammon, Gr. &unr_; an appellation of Jupiter, as represented with the horns of a ram. It was originally the name of an. Egyptian god, Amun. ] (Paleon.) A fossil cephalopod shell related to the nautilus. There are many genera and species, and all are extinct, the typical forms having existed only in the Mesozoic age, when they were exceedingly numerous. They differ from the nautili in having the margins of the septa very much lobed or plaited, and the siphuncle dorsal. Also called serpent stone, snake stone, and cornu Ammonis. [ 1913 Webster ]

n. [ See Anthracite. ] (Min.) A coal-black marble, usually emitting a fetid smell when rubbed; -- called also stinkstone and swinestone. [ 1913 Webster ]

n. 1. (Chem.) A compound of antimonious acid and a base or basic radical. [ 1913 Webster ]

2. (Min.) Stibnite. [ 1913 Webster ]

n. [ Gr. &unr_; invisible; 'a priv. + &unr_; to appear. ] (Min.) A very compact, dark-colored &unr_;ock, consisting of hornblende, or pyroxene, and feldspar, but neither of them in perceptible grains. [ 1913 Webster ]

n. [ From Aragon, in Spain. ] (Min.) A mineral composed of calcium carbonate and identical in composition with calcite, but differing from it in its crystalline form and some of its physical characters. [ 1913 Webster ]

n. See Aragonite. [ 1913 Webster ]

n. [ Cf. F. arsénite. ] (Chem.) A salt formed by the union of arsenious acid with a base. [ 1913 Webster ]

n. (Metallurgy) [ From W. C. Roberts-Austen, an English metallurgist. ] a solid solution of ferric carbide or carbon in iron; -- it cools to form pearlite or martensite. [ WordNet 1.5 ]

n. [ From Autun, France, its locality. ] (Min.) A lemon-yellow phosphate of uranium and calcium occurring in tabular crystals with basal cleavage, and in micalike scales. H., 2-2.5. Sp. gr., 3.05-3.19. [ Webster 1913 Suppl. ]

n. [ Named in allusion to the form of the crystals, fr. Gr. &unr_; an ax. ] (Min.) A borosilicate of alumina, iron, and lime, commonly found in glassy, brown crystals with acute edges. [ 1913 Webster ]

n. [ From Dr. Babbington. ] (Min.) A mineral occurring in triclinic crystals approaching pyroxene in angle, and of a greenish black color. It is a silicate of iron, manganese, and lime. [ 1913 Webster ]

n. [ L. balanus acorn: cf. F. balanite. ] (Paleon.) A fossil balanoid shell. [ 1913 Webster ]

n. [ L. basanites lapis, Gr. ba`sanos the touchstone: cf. F. basanite. ] (Min.) Lydian stone, or black jasper, a variety of siliceous or flinty slate, of a grayish or bluish black color. It is employed to test the purity of gold, the amount of alloy being indicated by the color left on the stone when rubbed by the metal. [ 1913 Webster ]

n. [ Gr. &unr_; dart, fr. &unr_; dart, fr. &unr_; to throw: cf. F. bélemnite. ] (Paleon.) A conical calcareous fossil, tapering to a point at the lower extremity, with a conical cavity at the other end, where it is ordinarily broken; but when perfect it contains a small chambered cone, called the phragmocone, prolonged, on one side, into a delicate concave blade; the thunderstone. It is the internal shell of a cephalopod related to the sepia, and belonging to an extinct family. The belemnites are found in rocks of the Jurassic and Cretaceous ages. -- Bel*em*nit"ic, a. [1913 Webster]

n. [ Gr. &unr_; a needle. ] (Min.) Minute acicular or dendritic crystalline forms sometimes observed in glassy volcanic rocks. [ 1913 Webster ]

n. An absorbent aluminum silicate clay formed from volcanic ash. [ WordNet 1.5 ]

{ } n. Native bismuth sulphide; -- sometimes called bismuthite. [ 1913 Webster ]

n. (Min.) A granular mineral of a grayish or yellowish color, found in Bolton, Massachusetts. It is a silicate of magnesium, belonging to the chrysolite family. [ 1913 Webster ]

n. [ Named after Von Born, a mineralogist. ] (Min.) A valuable ore of copper, containing copper, iron, and sulphur; -- also called purple copper ore (or erubescite), in allusion to the colors shown upon the slightly tarnished surface. [ 1913 Webster ]

n. [ Named after Count Bournon, a mineralogist. ] (Min.) A mineral of a steel-gray to black color and metallic luster, occurring crystallized, often in twin crystals shaped like cogwheels (wheel ore), also massive. It is a sulphide of antimony, lead, and copper. [ 1913 Webster ]

n. [ From G.T. Bowen, who analyzed it in 1822. ] (Min.) A hard, compact variety of serpentine found in Rhode Island. It is of a light green color and resembles jade. [ 1913 Webster ]

n. (Min.) A native oxide of manganese, of dark brownish black color. It was named from a Mr. Braun of Gotha. [ 1913 Webster ]

n. [ L. bufo toad: cf. F. bufonite. ] (Paleon.) An old name for a fossil consisting of the petrified teeth and palatal bones of fishes belonging to the family of Pycnodonts (thick teeth), whose remains occur in the oölite and chalk formations; toadstone; -- so named from a notion that it was originally formed in the head of a toad. [ 1913 Webster ]

{ , n. [ Gr. kako`s bad + &unr_;&unr_;&unr_;&unr_;&unr_; guest. ] (Min.) A hydrous phosphate of iron occurring in yellow radiated tufts. The phosphorus seriously injures it as an iron ore. [ 1913 Webster ]

n. (Min.) A hydrous sulphate of copper and lead, found in some parts of Caledonia or Scotland. [ 1913 Webster ]

n. 1. A descendant of Canaan, the son of Ham, and grandson of Noah. [ 1913 Webster ]

2. A Native or inhabitant of the land of Canaan, esp. a member of any of the tribes who inhabited Canaan at the time of the exodus of the Israelites from Egypt. [ 1913 Webster ]

n. [ From an Aramaic word signifying “zeal.” ] A zealot. “Simon the Canaanite.” Matt. x. 4. [ 1913 Webster ]

☞ This was the “Simon called Zelotes” (Luke vi. 15), i.e., Simon the zealot. Kitto. [ 1913 Webster ]

n. [ Named after Count Cancrin, a minister of finance in Russia. ] (Min.) A mineral occurring in hexagonal crystals, also massive, generally of a yellow color, containing silica, alumina, lime, soda, and carbon dioxide. [ 1913 Webster ]

n. [ Carbon + -ite. ] 1. An explosive consisting essentially of nitroglycerin, wood meal, and some nitrate, as that of sodium. [ Webster 1913 Suppl. ]

2. An explosive composed of nitrobenzene, saltpeter, sulphur, and kieselguhr. [ Webster 1913 Suppl. ]

n. [ From George Catlin, an American traveler. ] A red clay from the Upper Missouri region, used by the Indians for their pipes. [ 1913 Webster ]

n. [ F., fr. Ceylan Ceylon. ] (Min.) A dingy blue, or grayish black, variety of spinel. It is also called pleonaste. [ Written also ceylonite. ] [ 1913 Webster ]

n. [ In sense (a) named after Christian Frederic, of Denmark; in sense (b) after Christian VII., of Denmark. ] (Min.) (a) Same as Anorthite. [ R. ] (b) See Phillipsite. [ 1913 Webster ]

n. [ From W.T. Coleman of San Francisco. ] (Min.) A hydrous borate of lime occurring in transparent colorless or white crystals, also massive, in Southern California. [ 1913 Webster ]

n. [ Cf. F. colophonite. So named from its resemblance to the color of colophony. ] (Min.) A coarsely granular variety of garnet. [ 1913 Webster ]

a. [ L. congenitus; con- + genitus, p. p. of gignere to beget. See Generate. ] Congenital; connate; inborn. See Congenital. [ Obs. ] [ 1913 Webster ]

Many conclusions, of moral and intellectual truths, seem . . . to be congenite with us. Sir M. Hale. [ 1913 Webster ]

n. [ Gr. &unr_; dust: cf. F. conite. So called on account of its gray color. ] (Min.) A magnesian variety of dolomite. [ 1913 Webster ]

n. (Paleon.) A fossil coralline. [ 1913 Webster ]

v. t. To unite. [ Obs. ] [ 1913 Webster ]

a. United closely with another. [ Obs. ] [ 1913 Webster ]

a. [ L. crinitus, p. p. of crinire to provide or cover with hair, fr. crinis hair. ] 1. Having the appearance of a tuft of hair; having a hairlike tail or train. “Comate, crinite, caudate stars.” Fairfax. [ 1913 Webster ]

2. (Bot.) Bearded or tufted with hairs. Gray. [ 1913 Webster ]

n. [ See Cyanic. ] (Min.) A mineral occuring in thin-bladed crystals and crystalline aggregates, of a sky-blue color. It is a silicate of aluminium. [ Written also kyanite. ] [ 1913 Webster ]

‖n. Same as Dalmania. [ 1913 Webster ]

n. [ Cf. F. dambonite. ] (Chem.) A white, crystalline, sugary substance obtained from an African caoutchouc. [ 1913 Webster ]

n. 1. A descendant of Dan; an Israelite of the tribe of Dan. Judges xiii. 2. [ 1913 Webster ]

2. [ So called in remembrance of the prophecy in Gen. xlix. 17, “Dan shall be a serpent by the way, ” etc. ] One of a secret association of Mormons, bound by an oath to obey the heads of the church in all things. [ U. S. ] [ 1913 Webster ]

n. [ Named after J. W. Dawson of Montreal. ] (Min.) A hydrous carbonate of alumina and soda, occuring in white, bladed crustals. [ 1913 Webster ]

a. [ L. definitis, p. p. of definire: cf. F. défini. See Define. ] 1. Having certain or distinct; determinate in extent or greatness; limited; fixed; as, definite dimensions; a definite measure; a definite period or interval. [ 1913 Webster ]

Elements combine in definite proportions. Whewell. [ 1913 Webster ]

2. Having certain limits in signification; determinate; certain; precise; fixed; exact; clear; as, a definite word, term, or expression. [ 1913 Webster ]

3. Determined; resolved. [ Obs. ] Shak. [ 1913 Webster ]

4. Serving to define or restrict; limiting; determining; as, the definite article. [ 1913 Webster ]

Definite article (Gram.), the article the, which is used to designate a particular person or thing, or a particular class of persons or things; -- also called a definitive. See Definitive, n. - -
Definite inflorescence. (Bot.) See Determinate inflorescence, under Determinate. --
Law of definite proportions (Chem.), the essential law of chemical combination that every definite compound always contains the same elements in the same proportions by weight; and, if two or more elements form more than one compound with each other, the relative proportions of each are fixed. Compare Law of multiple proportions, under Multiple. [ 1913 Webster ]