GLOSSARY. 



43 



Having a circular mouth, as certain 

 fishes. 



Cyl'inder (Gr. Kv\iv5a>, Tculm'do, I 

 roll). A roller ; a body produced 

 by the revolution of a right-angled 

 parallelogram round one of its 

 sides. 



Cyme (Gr. KV/J.CI, Icuma, a wave ?). In 

 botany, a form of inflorescence re- 

 sembling a corymb, but branched, 

 so as to have in part the character 

 of an umbel. 



Cynan'che (Gr. KWV, Tcuon, a dog ; 

 ayxw, ancho, I strangle). Quinsy. 



Cyn'osure (Gr. KVUV, Tcuon, a dog ; 

 ovpa, owra, a tail). The dog's tail : 

 a constellation of seven stars near 

 the north pole ; generally called 

 Ursa Minor, or Charles's wain. 



Cyst (Gr. KWTIS, Tcustis, a bladder). 

 A small bladder ; generally applied 

 to small sacs or bags containing 

 matter of various kinds in disease. 



Cystic (Gr. KVVTIS, kustis, a bladder). 

 Belonging to, or reseinbling a cyst 

 or bladder : applied to a class of 

 parasitic animals ; also to a duct or 

 tube proceeding from the gall- 

 bladder. 



Cystid'eee (Gr. KUITTIS, kustis, a blad- 

 der). A family of fossil echino- 

 derins, of a bladder-like shape. 



Cy'toblast (Gr KVTOS, Tcutos, a cell ; 

 fi\a<TTav(a, blas'tano, I bud forth). 

 The nucleus of animal and vegetable 

 cells. 



Cytoblaste'ma (Gr. KVTOS, Juntos, a 

 cell ; jSAoa-Tci'w, blas'tano, I bud 

 forth). The viscid fluid in which 

 animal and vegetable cells are pro- 

 duced, and by which they are held 

 together. 



Cytogen'esis (Gr. KUTOS, Tcutos, a cell ; 

 yeveffis, geriesis, origin). The de- 

 velopment of cells in animal and 

 vegetable structures. 



D, 



Dac'tyl (Gr. SawruXoy, dak'tulos, a 

 finger). A foot in verse, consisting 

 of a long syllable followed by two 

 short ones, like the joints of a 

 finger. 



Daguer'reotype. A picture produced 

 according to the process invented by 

 M. Daguerre, by the action of light 

 on iodide of silver. 



Da'ta (Lat. do, I give). Things given ; 

 facts or quantities, the existence of 

 which is admitted as a foundation 

 for the discovery of other results. 



Da'tive (Lat. do, I give). Giving ; 

 that case or part of nouns which 

 conveys with it the idea of giving 

 or acquisition. 



Debacle (Fr.). In geology, a sudden 

 flood or rush of water which breaks 

 down opposing barriers. 



Debility (Lat, debilis, weak). Weak- 

 ness. 



De'bris (Fr. waste). Fragments ; 

 broken pieces ; in geology, gener- 

 ally applied to the larger fragments. 



Deca (Gr. 5eo, deTca, ten). A prefix 

 in compound words, signifying ten. 



Decade (Gr. Sena, deTca, ten). A 



collection of ten. 

 Dec'agon (Gr. Se/ca, deTca, ten ; yowia, 



gonia, an angle). A figure having 



ten sides and ten angles. 

 Dec'agramme (Gr. Se/ca, deTca, ten ; 



Fr. gramme, a weight so called). 



A French weight consisting of ten 



grammes, or nearly 154^ grains. 

 Decagynla (Gr. 5ea, deTca, ten ; yvirr), 



gune, a female). An order of plants 



in the Linnsean system, having ten 



pistils. 

 Decahed'ron (Gr. Se/ca, deTca, ten ; 



eSpa, hedra, a base). A solid 



having ten sides. 

 Dec'alitre (Gr. 5ea, delect, ten; Fr. 



litre, a quart, or If English pints). 



A measure of ten litres. 

 Dec'alogue (Gr. 5eo, deTca, ten j 



\oyos, logos, a word). The ten 



commandments. 

 Dec'ametre (Gr. Seo, deTca, ten ; Fr. 



metre, a measure equal to 3^, Eng- 

 lish feet). A measure of ten metres. 

 Decan'dria (Gr. Se/fo, deTca, ten ; 



avrjp, aner, a man). A class of 



