CINCHONALES 



78 



CLADOCOKA 



Cinchonales, (sin-ko-na'lez). [Cinchona, q.v.] 

 Dichlamydeous monopetalous plants, having 

 a minute embryo and much albumen, form- 

 ing a division of Epigyuous Exogeus. 



Cinchonia, (sin-k5'ni-a). [Cinchona, Q.V.] 

 C 2 oHo4NoO: an alkaloid nitrile crystalline 

 base, "found in cinchona bark. 



Cinchonicine, (sin-ko'ni-sm). [Cinchona, q.v.] 

 C2oH24N2O : an alkaloid base obtained 

 from cinchonine. 



Cinchonidine, (sin-ko'ni-din). [Cinchona", q.v.] 

 r=CooH24N20 : an alkaloid base obtained from 

 cinchona bark. 



Cinder-bed. A thick stratum in Upper Oolite, 

 chiefly of shells resembling those of the 

 oyster. 



Cinematics^ Kinematics, q.v. 



Cinnabar, (sin'na-bur). [Cinnabaris, the Latin 

 narne.]=:Mercuric sulphide=HgS: the most 

 common ore of mercury; crystallises in hex- 

 agons. C.moth Callimorpha Jacobese. 



Cinnaraic acid, (siri'na-mik). [Cinnamon, q.v.} 

 =CgH802 : a crystalline acid substance found 

 in some balsams. 



Cinnamide,(sin'na-mid). [Cinnamyland amide, 

 q.v. ] CgHgON : ammonia in which one 

 equivalent of hydrogen has been replaced by 

 one of cinnamyl. 



Cinnamol, (sin'na-mol). [Cinnamon, q.v.]= 

 C 8 H 8 =Styrolene = Styrol : a hydrocarbon 

 found in cinnamic acid. 



Cinnamon, ( sin'na-mun ). [Kinamomon, the 

 Greek name.]=Cinnamomum : a plant be- 

 longing to Lauraceso. C., oil o/^CgHgO : 

 chiefly cinnamyl hydride : a fragrant oily 

 substance. C. stone ; a variety of garnet. 



Cinnamyl, (sin'na-mil). [Cinnamon, q.v.]=i 

 C 9 H 7 O : the radicle of cinnamon. 



Cinquefoil, ( singk'foil ). [ F. cinque, five ; 

 feuilie, leaf.]=Poteutilla : a plant belonging 

 to Rosaceae. 



Cipoline, (sip'o-lin). A variety of marble 

 containing talcose schist. 



Circsea, ( ser-se'a ). [ Circe. ] = Enchanter's 

 Nightshade : named from the hooks on the 

 fruit which catch anything near it ; a plant 

 belonging to Ouagraue;o. 



Circaeacese, (ser-se-ii'se-e). [Circsea, q.v.]= 

 Onagracecc. 



Circe, (ser'se). [Classical.] One of the 

 Asteroids. 



Circle, (ser'kl). [L. circulus, a small circle.] 

 A figure bounded by a line which is at all 

 points of it the same distance from the 

 centre of the figure. 



Circulation, (ser-ku-lii'shun). [L. circuhia, 

 circle]. Greater (7. =Systemic C. Lesser C. 

 =:Pulnionary C. 



Circulative animals, Oken's term for Mol- 

 lusca. 



Cirri, (sir'ri). [L. cirrus, a curl.] Twining 

 appendages, tendrils, &c. 



Cirripedia, (sir-ri-ped'i-a). [Cirri, q.v. ; L. pes, 

 foot.]=Acorn shells and barnaoles : between 

 Annulosa and Radiata ; Crustacean animals 

 of which, some of the legs are cirrous, a sub- 

 division qf Pectostraca. 



Cirro-cumulus, (sir-ro-kum'u-lus). [Cirrus 

 and Cumulus, ,v. ] The name given to 



clouds of a kind between the cirrus and 



cumulus, having a resemblance to the scales 



of mackerel. 

 Cirrostomi, (sir-ros'to-mi). [Cirrus, q.v. ; and 



Gk. stoma, mouth.] Owen's term for the 



Lancelot, q.v. 

 Cirro-stratus, (sir-ro-stra'tus). [Cirrus and 



Stratus, q.v.] Clouds intermediate between 



the cirrus and stratus. 

 Cirrus, (sir'rus). [L. cirrus, curl.] 1. Small 



light clouds, usually high in the heavens. 



2. Singular of Cirri, q.v. 

 Cissoid, (sis'soid). [Gk. Jcissos, ivy ; eidos, 



form.] A mathematical curve, designed for 



use in the trisection of an angle and the 



construction of geometrical means between 



t\vo given lines. 

 Cistacese, (sis-ta'se-e). [Cistus, tf.v.]=Rock 



rosss : herbs and shrubs belonging to 



Cistales. 

 Cistales, (sis-ta'lez). [Cistace?e, g.r.] Plants 



with monodichlamydeous flowers, and parie- 



tal or sutural placentae, forming a sub-division 



of Hypogynous Exogens. 

 Cistern barometer. A straight tube of glass, 



longer than 30 inches, closed at the upper 



end, with the lower open end immersed in 



a small cistern of mercury, v. Barometric. 

 Cistus, (sis'tus). [Gk. kiste, small box.]= 



Rock rose = Helianthemum, q.v.: named 



from the shape of the capsules. 

 Citramide, (sit'ra-mid). [Citryl and amide, 



g.v.]=:C6HiiN3O4=Ammouia in which one 



eq^uivalent of hydrogen is replaced by one 



of the radicle of citric acid. 

 Citrates, (sit'ratz). [Citric acid, q.v.] Com- 



binations of citric acid with bases. 

 Citrene, (sit'ren). [Citrus, q.v.]=CiolIiQ : a 



hydrocarbon obtained from oil of lemon. 

 Citric acid, (sit'rik). [Citrus, q.v.]=C$lI s O 7 : 



HoO : a powerful crystalline acid, found in 



the fruit of the Citrus medica, &c. 

 Citrine, (sit'rin). [Citrus, q. v.] 1. A colour 



compounded of orange and green. 2. False 



topaz : a yellow variety of native silica. 

 Citron, (sit'ron). [Citrus.]=Citrus inedica. 



C. wor<s:=Auruntiacea?. 

 Citrus, (sit'rus). [The Latin name.] Orange, 



citron, lime, &c., the typical genus of 



Aurantiacese. C, ftwcc/ifitc//;, Orange. (7, 



of =s 



Citryl, (sit'ril). [Citrus, q,v.] The radicle of 



citric acid. 

 Civet, (siVet). [Civette, the French name.] 



1. = Viverra civetta 



^Civetcat: small 



carnivorous a n i - 



nial. 2. An odo- 



rous secretion 



the Viverra. 

 Civil time. The di- 



vision of the day 



into 24 hours, or two periods of 12 hours 



each. 

 Cladocera, (kla-dos'e-ra). [Gk. klados, branch; 



keras, horn.] One of Hoeven's sub-divisions 



of Crustaceans; minute animals, chiefly fresh 



water, belonging to Branchiopoda. 

 CUdQCora(kla-dok'Q-ra). [Gk, klafos t branch; 



Civet, 



