n. [ Gr. 'an priv. + 'a`lkimos strong, 'alkh` strength: cf. F. analcime. ] (Min.) A white or flesh-red mineral, of the zeolite family, occurring in isometric crystals. By friction, it acquires a weak electricity; hence its name. [ 1913 Webster ]

n. [ Gr. 'analkh`s weak. ] Analcime. [ 1913 Webster ]

n. [ See Aurichalceous. ] (Min.) A hydrous carbonate of copper and zinc, found in pale green or blue crystalline aggregations. It yields a kind of brass on reduction. [ 1913 Webster ]

n. [ Baryta + calcite. ] (Min.) A mineral of a white or gray color, occurring massive or crystallized. It is a compound of the carbonates of barium and calcium. [ 1913 Webster ]

a. [ L. calx, calcis, lime: cf. F. calcique. ] (Chem.) Pertaining to, derived from, or containing, calcium or lime. [ 1913 Webster ]

n. One of the forms of vitamin D, a fat-soluble vitamin that prevents rickets. It is an unsaturated alcohol (C28H43OH) found in foods such as milk and fish liver oils. It is used as a dietary supplement in milk.
Syn. -- vitamin D, ergocalciferol, cholecarciferol, D. [ WordNet 1.5 +PJC ]

a. [ L. calx, calcis, lime + -ferous. ] Bearing, producing, or containing calcite, or carbonate of lime. [ 1913 Webster ]

Calciferous epoch (Geol.), an epoch in the American lower Silurian system, immediately succeeding the Cambrian period. The name alludes to the peculiar mixture of calcareous and siliceous characteristics in many of the beds. See the Diagram under Geology. [ 1913 Webster ]

a. Calciferous. Specifically: (Zool.) of or pertaining to the portion of the oviduct which forms the eggshell in birds and reptiles. Huxley. [ 1913 Webster ]

n. (Physiol.) The process of change into a stony or calcareous substance by the deposition of lime salt; -- normally, as in the formation of bone and of teeth; abnormally, as in calcareous degeneration of tissue. [ 1913 Webster ]

a. Consisting of, or containing, calcareous matter or lime salts; calcareous. [ 1913 Webster ]

a. [ L. calx, calcis, lime + -form. ] In the form of chalk or lime. [ 1913 Webster ]

v. t. [ imp. & p. p. Calcified p. pr. & vb. n. Calcifying. ] [ L. calx, calcis, lime + -fy. ] To make stony or calcareous by the deposit or secretion of salts of lime. [ 1913 Webster ]

v. i. To become changed into a stony or calcareous condition, in which lime is a principal ingredient, as in the formation of teeth. [ 1913 Webster ]

a. [ L. calx, calcis, lime + -genouse. ] (Chem.) Tending to form, or to become, a calx or earthlike substance on being oxidized or burnt; as magnesium, calcium. etc. [ 1913 Webster ]

a. [ L. calx, calcis, lime + -gerouse. ] Holding lime or other earthy salts; as, the calcigerous cells of the teeth. [ 1913 Webster ]

v. t. [ imp. & p. p. Calcimined p. pr. & vb. n. Calcimining. ] To wash or cover with calcimine; as, to calcimine walls. [ 1913 Webster ]

n. [ L. calx, calcis, lime. ] A white or colored wash for the ceiling or other plastering of a room, consisting of a mixture of clear glue, Paris white or zinc white, and water. [ Also spelt kalsomine. ] [ 1913 Webster ]

n. One who calcimines. [ 1913 Webster ]

a. That may be calcined; as, a calcinable fossil. [ 1913 Webster ]

v. i. To calcine. [ R. ] [ 1913 Webster ]

n. [ F. calcination. ] [ 1913 Webster ]

1. (Chem.) The act or process of disintegrating a substance, or rendering it friable by the action of heat, esp. by the expulsion of some volatile matter, as when carbonic and acid is expelled from carbonate of calcium in the burning of limestone in order to make lime. [ 1913 Webster ]

2. The act or process of reducing a metal to an oxide or metallic calx; oxidation. [ 1913 Webster ]

n. A vessel used in calcination. [ 1913 Webster ]

v. i. [ imp. & p. p. Calciden p. pr. & vb. n. Calcining. ] [ F. calciner, fr. L. calx, calcis, lime. See Calx. ] [ 1913 Webster ]

1. To reduce to a powder, or to a friable state, by the action of heat; to expel volatile matter from by means of heat, as carbonic acid from limestone, and thus (usually) to produce disintegration; as to, calcine bones. [ 1913 Webster ]

2. To oxidize, as a metal by the action of heat; to reduce to a metallic calx. [ 1913 Webster ]

v. i. To be converted into a powder or friable substance, or into a calx, by the action of heat. “Calcining without fusion” Newton. [ 1913 Webster ]

n. One who, or that which, calcines. [ 1913 Webster ]

‖n. pl. [ NL., fr. L. calx, calcis, lime + spongia a sponge. ] (Zool.) An order of marine sponges, containing calcareous spicules. See Porifera. [ 1913 Webster ]

n. [ L. calx, calcis, lime. ] (Min.) Calcium carbonate, or carbonate of lime. It is rhombohedral in its crystallization, and thus distinguished from aragonite. It includes common limestone, chalk, and marble. Called also calc-spar and calcareous spar. [ 1913 Webster ]

☞ Argentine is a pearly lamellar variety; aphrite is foliated or chalklike; dogtooth spar, a form in acute rhombohedral or scalenohedral crystals; calc-sinter and calc-tufa are lose or porous varieties formed in caverns or wet grounds from calcareous deposits; agaric mineral is a soft, white friable variety of similar origin; stalaclite and stalagmite are varieties formed from the drillings in caverns. Iceland spar is a transparent variety, exhibiting the strong double refraction of the species, and hence is called doubly refracting spar. [ 1913 Webster ]

a. [ L. calcitrans, p. pr. of calcitrare to kick, fr. calx, calcis , heel. ] Kicking. Hence: Stubborn; refractory. [ 1913 Webster ]

v. t. & i. [ L. calcitratus, p. p. of calcitrare. See Calcitrant. ] To kick. [ 1913 Webster ]

n. Act of kicking. [ 1913 Webster ]

n. [ NL., from L. calx, calcis, lime; cf F. calcium. See Calx. ] (Chem.) An elementary substance; a metal which combined with oxygen forms lime. It is of a pale yellow color, tenacious, and malleable. It is a member of the alkaline earth group of elements. Atomic weight 40. Symbol Ca. [ 1913 Webster ]

☞ Calcium is widely and abundantly disseminated, as in its compounds calcium carbonate or limestone, calcium sulphate or gypsum, calcium fluoride or fluor spar, calcium phosphate or apatite. [ 1913 Webster ]

Calcium light, an intense light produced by the incandescence of a stick or ball of lime in the flame of a combination of oxygen and hydrogen gases, or of oxygen and coal gas; -- called also Drummond light and lime light. [ 1913 Webster +PJC ]

a. [ L. calx lime + vorare to devour. ] Eroding, or eating into, limestone. [ 1913 Webster ]

[ From Gr. chalko`s copper; in allusion to its metallic colors. ] (Zool.) One of a numerous family of hymenopterous insects (Chalcididæ. Many are gallflies, others are parasitic on insects. [ 1913 Webster ]

n. [ L. chalcis a lizard, Gr. chalki`s. ] (Zool.) One of a tropical family of snakelike lizards (Chalcidæ), having four small or rudimentary legs. [ 1913 Webster ]

n. the type genus of the Chalcididae.
Syn. -- genus Chalcis. [ WordNet 1.5 ]

n. The removal of calcareous matter. [ 1913 Webster ]

v. t. [ imp. & p. p. Decalcified p. pr. & vb. n. Decalcifying. ] To deprive of calcareous matter; thus, to decalcify bones is to remove the stony part, and leave only the gelatin.

a. [ Pref. di- + calcic. ] (Chem.) Having two atoms or equivalents of calcium to the molecule. [ 1913 Webster ]

n. vitamin D2, one of the D vitamins, a group of related substances that prevent rickets.
Syn. -- vitamin D, calciferol, cholecarciferol, D. [ WordNet 1.5 +PJC ]

a. [ L. Falcidius. ] Of or pertaining to Publius Falcidius, a Roman tribune. [ 1913 Webster ]

Falcidian law (Civil Law), a law by which a testator was obliged to leave at least a fourth of his estate to the heir. Burrill. [ 1913 Webster ]

a. [ L. falx, falcis, a sickle + -form: cf. F. falciforme. ] Having the shape of a scithe or sickle; resembling a reaping hook; as, the falciform ligatment of the liver. [ 1913 Webster ]

n. [ Ferro- + calcite. ] Limestone containing a large percentage of iron carbonate, and hence turning brown on exposure. [ 1913 Webster ]

n. [ Nitro- + calcite. ] (Min.) Nitrate of calcium, a substance having a grayish white color, occuring in efflorescences on old walls, and in limestone caves, especially where there exists decaying animal matter. [ 1913 Webster ]

a. [ Oxy- (a) + calcium. ] Of or pertaining to oxygen and calcium; as, the oxycalcium light. See Drummond light. [ 1913 Webster ]

a. [ L. recalcitrans, p. pr. of recalcitrare to kick back; pref. re- re- + calcitrare to kick, fr. calx heel. Cf. Inculcate. ] Kicking back; recalcitrating; hence, showing repugnance or opposition; refractory. [ 1913 Webster ]

v. i. To kick back; to kick against anything; hence, to express repugnance or opposition. [ 1913 Webster ]

v. t. To kick against; to show repugnance to; to rebuff. [ 1913 Webster ]

The more heartily did one disdain his disdain, and recalcitrate his tricks. De Quincey. [ 1913 Webster ]

n. A kicking back again; opposition; repugnance; refractoriness. [ 1913 Webster ]

a. Half calcined; as, semicalcined iron. [ 1913 Webster ]