ACE 



15 



ACE 



a person with something punishable. 

 IVomoters of accusations must find secu- 

 rity to pursue them; and failing, must 

 pay damages to the accused, and a fine to 

 the sovereign. 



ACCUSATIVE, Lat. accusatinis. Inyram- 

 niar, that case of nouns, on which the 

 action of the verb falls : called in English 

 grammar the objective c**e. 



ACE, Lat. as. 1. A unit: e. g. a single 

 point on a card or die, or the card or die 

 so marked. - 2. A trifle ; e. g. he would 

 not abate an ace of his demand. 



ACENTRIC, from , not, and centric ; not 

 centred. 



ACEPH'ALA, from a, without, and x\- 

 fx>.r,, head. 1. A class of mollusca, 

 having no apparent head, but merely a 

 mouth, which is always edentated, con- 

 cealed between the folds of their mantle. 

 This mantle is generally provided with a 

 calcareous bivalve, and sometimes multi- 

 valve shell. All theacephalaare aquatic: 

 the oyster is an example. - 2. An order 

 of ins'ects in some systems of entomology. 



ACEPH'ALA XTJ'DA (naked acephala}, an 

 order of mollusca, in which the shell of 

 the ordinary acephala is replaced by a 

 cartilaginous substance sometimes so thin 

 as to be as flexible as a membrane. The 

 order consists of two families, the segre- 

 gata aud the aggregata. 



ACEPHALI, from i?a>.er, headless. 

 In'history, a party in the reign of James I. 

 who acknowledged no government, civil 

 or ecclesiastical. 



ACEPHA'LIA, from a.x'.<?ct>.o;, without 

 head. In medicine, that variety of partial 

 azencsia which consists in absence or im- 

 perfection of the head. 



ACEPHALOBRACH'IA, from eixfSetXos and 

 /3/aiv, that species of agenesia charac- 

 terised by absence of head and arms. 



ACEPH ALOBRACH'ICS, from oc,xict>.os and 

 ft'ot^iut, a foetus without head or arms. 



ACEPHALOCAR'DIA, from etxi?a,}.e; and 

 xx^itx., the heart. That species of age- 

 nesia characterised by absence of head 

 and heart. 



ACEPHALOCAR'DICS, from etxi$cc.*o; and 

 xaifiia., a frctus without head or heart. 



ACEPHAIOCHI'RCS, from etxic<x.}.o; and 

 %ue. a hand. A foetus born without head 

 or hands. 



ACEPHAI.OCTST', Lat. acephalocystit, from 

 KX-ZX'/.O; and xuarns, a bladder. The 

 headless cyst : the name given by Laennec 

 to the visceral hydatid of Linmrus. 



ACEPHALOGAS'TER, from a.xiSot.y.t; and 

 'ya.rrr^. the belly. A foetus, defective of 

 the bead, chest, and superior parts of the 

 *ell>. 



ArpHALooATE'aiA,from <x*i *>.,- and 



, that species of agenesia which 

 consists in a defective formation of the 

 head and superior parts of rhe body. 



ACEPH'ALOCS, applied, 1. to animals 

 which belong to the class acephala (q. v.', , 

 2. to a lusus natune born without head. 



ACEPHALO'PHORA, from a.xl2a.>.o; and 



g. a class of mollusca in some sy stem *. 



ACKPHALOPO'DIA, from at.xi$et.}.v; and 



ws, a foot. That species of partial age- 

 nesia in which the head and feet are 

 wanting or defective. 



ACEPHALOPO'DIVS, from a.x^o./.o; and 

 trout , a foetus born without head or feet. 



ACEPHALORA'CHIA, from ecx'Za/.ef and 



i%if, the spine. Tliat species oS agene- 

 sia in which the head and vertebral co- 

 lumn are wanting. 



ACEPH ALOS'TOMCS, from ctxtfotXes and 

 ffrofMt, a mouth. An acephalous foetus, 

 having at its superior part an aperture 

 resembling a mouth. 



ACEPH ALOTHORA'CI A, from af<Xef and 

 0a;t!, the chest. That species of partial 

 agenesia which consists in the absence of 

 head and chest. 



ACEPHALOTHO'RUS, from <xxi?n>.ot and 

 BUCK*, a foetus born without head aiid 

 chest. 



ACEPH' AI/CS, from &x.i$oe.Xc; . headless. 

 An obsolete name of the ta?nia or tape- 

 worm, which was supposed to have no 

 head. As an adiective, the Lat. form of 

 acejihalmis, (q. T.; Also a verse defective 

 in the beginning. 



ACER, the generic name of the maple- 

 tree ; class octandria, order ntonoaynia , 

 name, from acer, sharp, sour; Celtic-, ac, 

 on account of the hardness of the wood, 

 which was employed in fabricating spears, 

 pikes, &c. There are 24 species, two of 

 which are natives of Britain the syca- 

 more (A. pseii'do-pla'tanus], and the com- 

 mon maple (A campestre). The wood of 

 sycamore is chiefly used in turnery. 



ACER virgitiianvm odoratum, an old name 

 of the liquid amber. 



ACERAS, the generic name of the man- 

 orchis; a hardy perennial beloiii:iiiir to 

 Britain: class gynandrin, order monandria. 

 There is only one species, the A. anthro- 

 pophora, which inhabits dry or clayey 

 pastures. Kame from a,, without, and 

 xi^ctf , a horn ; in allusion to the absence 

 of the spur from the lip, which is found 

 in the orchit proper. 



A'CERATE, in chemiitn/, a salt formed 

 with the aceric acid and a base. 



ACERB, Lat. acerbtu, from a<-r. sharp. 

 Taste combining acidity and astringency 

 or roughness ; e. g. that of an unripe sloe. 



ACERJC ACID is obtained from juice of 

 the maple tree t.aterj. 



