.\( IIYI.IA 





ACID 



of the diastatic ferment of saliva u] 



gen. It is .1 modification ctrin that maj 



precipitated bj alcohol, and i- not altered bj ptyalin, 

 ii< «r colored b) iodin. 



Achyha j riv . ; \ i >.../, juice]. Abs 



or deficiency of juice, or of chyle. 



Achylosis [d priv.j \ '-•'".', juice]. 



tn.ii.-nt chylirication 



Achylous priv.; rv?.«Jf, juice]. Without 



ch) I ent in chyle 



Achymosis priv. ; fty/dc, chyme], 



at chymification. 



Achyranthes ov, chafl 



a flower]. \ genus of amyrantaceous plants. A. 



- febrifugal. A. t of En 



and the I nited States, is diuretic. Unof. 



Acicula i [dim. of acus, a needle]. In 



biology, .1 -pine, bristle, or prickle; the bristle-like 

 flow 



Acicular . a needle]. Needle-like. 



Aciculum .is-ik' -u!i<in) [dim, of acus, a needle: 

 ]. In biology, one o( the slender sharp 

 bristles in the rudimentary limbs of some worms. 



Aciculus ,:<-ik'-u-lu i \a us, a needle]. In biology, 

 ti tut bristle or prickle. 



Acid .-•, to be sour]. A name loosely 



applied to any substance having a sour taste. A com- 

 pound of ai negative element with one or more 

 atoms of hydrogen which can be replaced by electro- 

 iitive or basic atom-. Acids vary in their termina- 

 tio- li"k r to the quantity of oxygen or other 

 nstituent. Those having the maxi- 

 mum of oxygen end in -ic ; those' of a lower degree 

 in • u . Where there are more than two combinations 

 the preposition hyper-\s prefixed to the highest, and 

 to the lowest. Acid> that end in -ic, as sul- 

 phunV acid, form salts terminating in -ate; those end- 

 ing in tn form salts terminating in -it . Physiologic- 

 ally . acid- in concentrated form act as caustics ; diluted 

 and in medicinal doses they check acid-producing and 

 increase alkaline sei retions. A., Abietic. See Abietit . 

 A.. Abric C 12 H 24 N s O), a crystallizable acid, said to 

 exist in jequirity. A., Aceric, found in the juice of 

 r campestre, the common English maple. A., 

 Acetic, an acid solution composed of 36 parts of 

 absolute acetic acid (C 2 H 4 2 ), and 64 parts water. 

 Has strong arid properties. Miscible with water and 

 alcohol. A., Acetic, Glacial, the absolute acid in 

 crystalline form. An escharotic. A., Acetic, Dilute, 

 tains -i\ percent, of absolute acid. Dose 5J— ij. 

 An impure form obtained by the destructive distilla- 

 tion of wood is known as wood vinegar, or pyrolig- 



11- .e id. A., Acetic, Test. See Tests, Tab, 

 A., Aconitic (C 6 H 8 6 ), occurs in different plants 



nitum napei ir cane, and beet-root-. It may 



be obtained by heating citric acid alone or with com 

 trated HO. It crystallizes in small plate-, that 

 <li-- lily in alcohol, ether and water, and melt 



at 1 86°— 7 . An acid found in aconite. A., Adibasic. 

 ./., Suberic. A., Adipic (C g H 10 O 4 ), obtained 

 by oxidizing fats with nitric acid. Crystallizes in 

 shining . or prisms; soluble in thin. -en pan 



ter ; melts at 148 . It is dibasic and diatomic. 

 A., Agaricic (( ',,.! I ..,,< > H 2 0), a resin acid obtained 

 from the fungus / growing on 



larch tn le acid has been recommended for the 



checking of night-sv It also checks the other 



excretion- and diminishes thirst. It is mildly cathartii 

 Unof. A., Alanthic ' .II., 1 ' 1, Inuli acid, found 

 in Inula helenium. Occurs in needle-like crysl 

 A., Aldepalmitic (( ,1 I omponenl of 



the but' A.. Alginic. in. A., 



Alloxanic (C 4 H N a 4 ), a crystalline acid, obtained 

 by treating alloxan with alkalies. A., Alpha-oxy- 

 naphthoic i(' n llj> . a fragrant crystalline acid, de- 



I from alpha-naphthol. It i- strongly antiseptic 

 and deodorant ; useful in wound dressing; but appears 

 to be toxic when taken by the stomach. (Jnof. A., 

 Alphatolinic. See A., Phenyl-acetic. A., Amalic 



1 II jN/D^, [d/zoAdc, weak], tetramethylalloxan- 

 tin, formed by the action of HNO„, or chlorine water, 



upon (him. or, I l'\ the reduction of dimethyl 



alloxan with II> Consists of colorless, sparingly 

 soluble crystals, that impart a red color to the skin. 

 A., Amido-acetic. See Gfycin. A., Amido- 

 benzoic 1 ( ".1 1..\< >.,), occasionally found in the urine. 

 A., Amido-succinamic. same as Asparagin. A., 

 Angelic i< II. < 1,1. a crystalline monobasic acid. 

 Exists free along with valeric and acetic acids in the 

 roots of Angelica archangelica, and as butyl and amy] 

 esters in Roman oil of cumin. Crystallizes in shining 

 prism-, melts at 45°. and boils at 185 . It has a peculiar 

 smell and taste. A., Anisic M'JIj'.i. obtained by 

 oxidizing anisol and anethol with II.\<>,, and from 

 aniseed by the action of oxidizing substances. Crys 

 talli/e- from hoi water in long needles, from alcohol in 

 rhombic prisms; melts at 185 , boils at 2S0 . It is 

 antiseptic and antirheumatic. A., Anthranilic (<'.- 

 H 7 N< >J, prepared by oxidizing indigo by boiling it 

 with manganese dioxid and sodium hydroxid. It 

 sublimes in long needles, is readily soluble in hot 

 water and alcohol, and melts at 144 . A., Anthro- 

 pocholic (C ]8 H 28 4 ) [avdpanoq, man; 1 <<>>/, bile], 

 an acid said to be obtainable from human bile. Its 

 existence is doubtful. A., Anticylic, a white fragrant 

 powder with pleasant acid taste, readily soluble in 

 water, alcohol, and glycerin, used as an antipyretic. 

 Dose gr. T ^ 5 . A., Aposorbic (C 5 H 8 7 ), produced 

 on oxidizing sorbin with UNO.,. It crystallizes in 

 small leaflets that melt with decomposition at no . 

 Easily soluble in water. A., Arabic. See Arabin. 

 A., Arabonic (C 5 H 10 O 6 ), tetraoxyvaleric acid, ob- 

 tained by the action of bromin water or HN0 3 upon 

 arabinose. A., Aromatic, a name applied to certain 

 organic acids occurring in the balsams, resins, and 

 other odoriferous principles. Also, in pharmacy, a 

 dilute mineral acid reinforced by aromatic substances 

 in order to modify their flavor. A., Arsenous, and 

 Arsenic. See Arsenic. A., Aspartic (C 4 H 7 N0 4 ), 

 occurs in the vinasse obtained from the beet root, 

 and is procured from albuminous bodies in various 

 reaction-. It is prepared by boiling asparagin with 

 alkalies and acids. It crystallizes in rhombic prisms, 

 or leaflets, and dissolves with difficulty in water. A., 

 Atrolactinic (C 9 H 10 O s ), obtained from acetophenone 

 by mean- of prussic acid and H 2 S0 4 or dilute IK I. 

 Dissolves verj readily in water; crystallizes with one- 

 half H 2 in needles or plates; melts at 91 . A., 

 Atropic (C 9 H 8 2 ), results from atropin, tropic acid, 

 and atrolactinic arid when they are heated with con- 

 centrated in 1. Crystallizes from hot water in mono- 

 clinic plates ; is sparingly soluble in cold water, easily 

 in ether and benzene; melts at 106 . A., Auric 

 (Au ''II , gold trihydroxid. A.Bath. See Bnlh. 

 A., Behenolic I < '. ..I I „,< >.,). derived from the 

 bromids of erucii and brassidic acids, Melts at 

 57. 5 . A., Benzoic (( ,H 6 |, occurs free in some 

 hiefly in Limn benzoin, and in 1 oal tar. It crystal- 

 lize- in white, shii dies, or leafli 1-. melts at 120°, 

 and distils al 250. It volatilize- readily, and its vapor 

 possesses a peculiar odor that produces coughing. 

 A., Boric. See Boron. A., Brassidic M ',.,1 1 ,.,< > ,. 

 isomeric with erucicacid; produced by the action of 

 nitric a< id on eru< ii ai id ; melts at 56 . A., Brenz 



