Dec`a*cu"mi*na`ted (?), a. [L. decacuminare to cut off the top. See Cacuminate.] Having the point or top cut off. [Obs.] Bailey.
Dec"ad (?), n. A decade.
Averill was a decad and a half his elder.
Tennyson.
Dec"a*dal (?), a. Pertaining to ten; consisting of tens.
Dec"ade (?), n. [F. décade, L. decas, -adis, fr. Gr. &?;, fr. de`ka ten. See Ten.] A group or division of ten; esp., a period of ten years; a decennium; as, a decade of years or days; a decade of soldiers; the second decade of Livy. [Written also decad.]
During this notable decade of years.
Gladstone.
{ De*ca"dence (?), De*ca"den*cy (?), } n. [LL. decadentia; L. de- + cadere to fall: cf. F. décadence. See Decay.] A falling away; decay; deterioration; declension. "The old castle, where the family lived in their decadence." Sir W. Scott.
De*ca"dent (?), a. Decaying; deteriorating.
Dec"a*dist (?), n. A writer of a book divided into decades; as, Livy was a decadist. [R.]
Dec"a*gon (?), n. [Pref. deca- + Gr. &?; a corner or angle: cf. F. décagone.] (Geom.) A plane figure having ten sides and ten angles; any figure having ten angles. A regular decagon is one that has all its sides and angles equal.
De*cag"o*nal (?), a. Pertaining to a decagon; having ten sides.
{ Dec"a*gram, Dec"a*gramme } (?), n. [F. décagramme; Gr. de`ka ten + F. gramme. See Gram.] A weight of the metric system; ten grams, equal to about 154.32 grains avoirdupois.
||Dec`a*gyn"i*a (?), n. pl. [NL., fr. Gr. de`ka ten + &?; a woman, a female.] (Bot.) A Linnæan order of plants characterized by having ten styles.
{ Dec`a*gyn"i*an (?), Dec*cag"y*nous (?), } a. [Cf. F. décagyne.] (Bot.) Belonging to the Decagynia; having ten styles.
Dec`a*he"dral (?), a. Having ten sides.
Dec`a*he"dron (?), n.; pl. E. Decahedrons (#), L. Decahedra (#). [Pref. deca- + Gr. 'e`dra a seat, a base, fr. 'e`zesthai to sit: cf. F. décaèdre.] (Geom.) A solid figure or body inclosed by ten plane surfaces. [Written also, less correctly, decaedron.]
De*cal`ci*fi*ca"tion (?), n. The removal of calcareous matter.
De*cal"ci*fy (?), 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.
{ De*cal`co*ma"ni*a (?), De*cal`co*ma"nie (?), } n. [F. décalcomanie.] The art or process of transferring pictures and designs to china, glass, marble, etc., and permanently fixing them thereto.
{ Dec"a*li`ter, Dec"a*li`tre } (?), n. [F. décalitre; Gr. de`ka ten + F. litre. See Liter.] A measure of capacity in the metric system; a cubic volume of ten liters, equal to about 610.24 cubic inches, that is, 2.642 wine gallons.
Dec"a*log (?; 115), n. Decalogue.
De*cal"o*gist (?), n. One who explains the decalogue. J. Gregory.
Dec"a*logue (?; 115), n. [F. décalogue, L. decalogus, fr. Gr. &?;; de`ka ten + &?; speech, &?; to speak, to say. See Ten.] The Ten Commandments or precepts given by God to Moses on Mount Sinai, and originally written on two tables of stone.
De*cam"e*ron (?), n. [It. decamerone, fr. Gr. de`ka ten + &?; part; though quite generally supposed to be derived from &?; day: cf. F. décaméron.] A celebrated collection of tales, supposed to be related in ten days; -- written in the 14th century, by Boccaccio, an Italian.
{ Dec"a*me`ter, Dec"a*me`tre } (?), n. [F. décamètre; Gr. de`ka ten + mètre. See Meter.] A measure of length in the metric system; ten meters, equal to about 393.7 inches.
De*camp" (?), v. i. [imp. & p. p. Decamped (?; 215); p. pr. & vb. n. Decamping.] [F. décamper; pref. dé- (L. dis) + camp camp. See Camp.] 1. To break up a camp; to move away from a camping ground, usually by night or secretly. Macaulay.