Cel"ti*um (?), n. [NL.] (Chem.) A supposed new element of the rare-earth group, accompanying lutecium and scandium in the gadolinite earths. Symbol, Ct (no period).
Ce*ment" steel. Steel produced by cementation; blister steel.
Cen`tau*rom"a*chy (?), n. [Gr. &?;; &?; centaur + &?; battle.] (Ancient Art) A fight in which centaurs take part, -- a common theme for relief sculpture, as in the Parthenon metopes.
Centennial State. Colorado; -- a nickname alluding to the fact that it was admitted to the Union in the centennial year, 1876.
{ Cen"ter, or Cen"tre, seal }. (Gas Manuf.) A compound hydraulic valve for regulating the passage of the gas through a set of purifiers so as to cut out each one in turn for the renewal of the lime.
{ Center, or Centre, punch }. (Mech.) (a) A punch for making indentations or dots in a piece of work, as for suspension between lathe centers, etc. (b) A punch for punching holes in sheet metal, having a small conical center to insure correct locating.
Cen*trif"u*gal fil"ter. A filter, as for sugar, in which a cylinder with a porous or foraminous periphery is rapidly rotated so as to drive off liquid by centrifugal action.
Cen"tro*sphere (?), n. [Gr. &?; centre + sphere.] 1. (Geol.) The nucleus or central part of the earth, forming most of its mass; -- disting. from lithosphere, hydrosphere, etc.
2. (Biol.) The central mass of an aster from which the rays extend and within which the centrosome lies when present; the attraction sphere. The name has been used both as excluding and including the centrosome, and also to designate a modified mass of protoplasm about a centrosome whether aster rays are developed or not.
Ceorl (kôrl or chrl), n. [AS. See Churl, n.] (O. Eng. Hist.) A freeman of the lowest class; one not a thane or of the servile classes; a churl.
Ce*pa"ceous (?), a. [L. cepa, caepa, onion.] Of the nature of an onion, as in odor; alliaceous.
Ceph`a*lal"gi*a (?), n. [L., fr. Gr. &?;; &?; head + &?; pain.] (Med.) Headache.
Ceph`a*lal"gic (?), a. [L. cephalalgicus, Gr. &?;.] (Med.) Relating to, or affected with, headache. -- n. A remedy for the headache.
Ceph"a*lism (?), n. [Gr. &?; head.] (Anthropol.) Form or development of the skull; as, the races of man differ greatly in cephalism.
Ceph`a*lom"e*try (?), n. (Anthropometry) The measurement of the heads of living persons. -- Ceph`a*lo*met"ric (#),a.
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Cer"e*vis (sr"*vs; G. tsr`*vs"), n. [G., fr. L. cerevisia, cervisia, beer.] A small visorless cap, worn by members of German student corps. It is made in the corps colors, and usually bears the insignia of the corps.
Ce"ri*a (s"r*), n. (Chem.) Cerium oxide, CeO2, a white infusible substance constituting about one per cent of the material of the common incandescent mantle.
Ce"ro*type` (?), n. [Gr. &?; wax + - type.] A printing process of engraving on a surface of wax spread on a steel plate, for electrotyping.
Ce*ru"le*in (?), n. [L. caeruleus sky-blue.] (Chem.) A fast dyestuff, C20H8O6, made by heating gallein with strong sulphuric acid. It dyes mordanted fabrics green.
Ce`ru*les"cent (?), a. [L. caeruleus sky-blue + -escent.] Tending to cerulean; light bluish.
Ce*ru"le*um (?), n. [NL.] A greenish blue pigment prepared in various ways, consisting essentially of cobalt stannate. Unlike other cobalt blues, it does not change color by gaslight.
C. G. T. An abbreviation for Confédération Générale du Travail (the French syndicalist labor union).
Cha (chä), n. [Chin. ch‘a.] [Also chaa, chais, tsia, etc.] Tea; -- the Chinese (Mandarin) name, used generally in early works of travel, and now for a kind of rolled tea used in Central Asia.
A pot with hot water . . . made with the powder of a certain herb called chaa, which is much esteemed.
Tr. J. Van Linschoten's Voyages (1598).
Cha"gres fe"ver (?). (Med.) A form of malarial fever occurring along the Chagres River, Panama.
Chain tie. (Arch.) A tie consisting of a series of connected iron bars or rods.
Chal`a*zog"a*my (?), n. [Chalaza + -gamy, as in polygamy.] (Bot.) A process of fecundation in which the pollen tube penetrates to the embryosac through the tissue of the chalaza, instead of entering through the micropyle. It was originally discovered by Treub in Casuarina, and has since been found to occur regularly in the families Betulaceæ and Juglandaceæ. Partial chalazogamy is found in Ulmus, the tube here penetrating the nucleus midway between the chalaza and micropyle. -- Chal`a*zo*gam"ic (#), a.
||Cham`bran"le (?), n. [F.] (Arch.) An ornamental bordering or framelike decoration around the sides and top of a door, window, or fireplace. The top piece is called the traverse and the side pieces the ascendants.
Cham"bray (?), n. [From Cambrai, France. Cf. Cambric.] A gingham woven in plain colors with linen finish.
||Cha`mi*sal" (?), n. [Amer. Sp., fr. Sp. chamiza a kind of wild cane.] 1. (Bot.) A California rosaceous shrub (Adenostoma fasciculatum) which often forms an impenetrable chaparral.