ACID 



34 



ACIES 



A., Tuberculinic, Ruppel's name for the nucleinic 

 acid contained in the tubercle bacillus to which sub- 

 stance its toxic action is attributed. A., Tumenol- 

 sulfonic, a substance obtained from tumenol by action 

 of fuming sulfuric acid ; used as a dusting-powder. 

 A., Tyrosinhydantoinic, C 10 H 10 N 2 O 3 -)- H 2 0, one of 

 the uramic acids forming large transparent crystals and 

 occurring in the urine after the administration of tyrosin. 

 Syn, A., Hydantoin hydroparacumaric. A., Ulmic 

 or Ulminic, C 40 H 30 O )3 (?), a brown amorphous mass 

 obtained from decomposing vegetable matter ; it is 

 slightly soluble in alkaline solutions. A., Umbellic. 

 (See Illus. Diet.) 2. Persoz's name for anisic acid. 

 A., Umbellulic, an acid obtained from the seeds of 

 California laurel, Umbellularia californica. A.s, 

 Uramic, a series of carbamid, — CONH compounds 

 occurring in the urine after the ingestion of amido- 

 acids. They comprise methyl -hydantoinic acid, tauro- 

 carbamic acid, uramido-benzoic acid, and tyrosin- 

 hydantoinic acid or hydantoin hydroparacumaric acid. 

 They are found after the ingestion of sarcosin or 

 methylglycocoll, of taurin, amidobenzoic acid, and 

 tyrosin respectively. [Simon.] A., Uramidoben- 

 zoic, C 8 H g N 2 3 , a uramic acid appearing in the urine 

 after the ingestion of amidobenzoic acid. A., Uranic. 

 See Uranium Oxid, Red. A., Ureous. See 

 Xanthin (Illus. Diet.). A. of Urine, 1. Phos- 

 phoric acid. 2. Uric acid. A., Urobenzoic. See 

 A., Hippuric (Illus. Diet.). A., Urobutylchloric, 

 C 10 H 15 Cl 3 O 7 , or C 10 H 17 Cl 3 O 7 , a substance found in the 

 urine after administration of butyl chloral. A., Uro- 

 canic, A., Urocaninic, C 12 li, 2 N 4 4 , an aromatic 

 acid found in dog's urine. A., Urochloralic, an acid 

 found in the urine after ingestion of chloral and formed 

 in the body by conjugation of chloral with glycuronic 

 acid. A., Uroerythric. See Uroerythrin (Illus. 

 Diet.). A., Uroleucinic. See A., Uroleucic (Illus. 

 Diet. ). A., Uronitrotoluic, C 13 H 15 N0 9 , an acid 

 found in the urine after ingestion of orthonitrotoluene, 

 occurring as a crystalline mass resembling asbestos 

 with strong acid reaction and very soluble in water and 

 alcohol. A., Uroproteic, C B6 H U6 N. )0 SO 54 -f nll 2 0, 

 an acid found in the urine of dogs that had been fed 

 exclusively upon meat. A., Urosulfic. Same as A., 

 Thiouric. A., Uroxanic, C 3 H 8 N 4 6 , a dibasic acid 

 obtained from an alkaline solution of uric acid exposed 

 for some months to the action of air free from car- 

 bon dioxid. A., Urrhodinic, A., Urrhodonic, a 

 highly aromatic substance isolated from urine, forming 

 brown stellate aggregations of soluble crystals. A., 

 Urushic, a monobasic volatile acid obtained from 

 Rhus veniicifcra. A., Uryllic. Same as A., Uric 

 (Illus. Diet.). A., Uvic, A., Uvinic. See A., 

 Racemic (Illus. Diet.). A., Valeric, Active. See 

 A., Methylethy lace tic. A., Valeric, Normal, CH 3 - 

 (CH 2 ) 3 C0 2 U, an isomer of valeric acid, first prepared 

 by Lieben and Rossi from pentonitril (C 4 H 9 CN), is a 

 liquid with odor of normal butyric acid, boiling at 1 86° 

 C, melting at 59 C. Sp. gr. 0.9568 at o° C. ; Syn., 

 Pentoic acid ; Xormal propylacetic acid; Isobutyl car- 

 bonic acid. A., Valeric, Tertiary, (CH 3 ) 3 C . CO,l I, a 

 fatty crystalline acid containing a tertiary alcohol radicle 

 discovered by Butleroyv, who obtained it synthetically 

 from tertiary butyl alcohol ; melts at 35 C, boils at 

 163 C. Syn., A., Pivalic; Trimethylacetii acid ; Pseu- 

 dovaleric acid ; Trimethat ttic acid; Pinalic acid ; 7'ri- 

 methylcarbincarbonit acid. A.,Vanadinic. Set Van- 

 adium Bronze, Table of Pigments (Illus. Diet.). A., 

 Vanillic, A., Vanillinic,' C 6 H ? . O4 . OCI I <<>< »| 1, 

 an oxidation product of vanillin, forming colorless 

 needles soluble in water, in alcohol, and in ether, 

 melting at 21 1° C. Syn., A., Mctliylprotocatcchuic. 



A.s, Vegetable, acids found in vegetable juices or struc- 

 ture. A., Viburnic, ordinary valeric acid discovered 

 in Viburnum opulus. A., Vieric. See Vierin. A.s, 

 Vinic, acids obtained from alcohol by action of acids. 

 A., Vitriolic, sulfuric acid. A., Xanthogenic, HO.- 

 CS . SH, an acid not existing in the free state ; the xan- 

 thates-are obtained from it. Syn., Sulfothiocarbomc ; 

 Thioncarbonthiol acid. A.s, Xanthoproteic, nitrogen- 

 ous substances obtained from solutions of proteids bv 

 action of nitric acid. A., Xanthylic, a primary nu- 

 cleinic acid yielding xanthin on decomposition. A., 

 Xanthylicnucleimc. See A., Xanthylic. A., 

 Xeronic, C 8 H 12 4 , a pyrocitric acid known in the 

 form of its anhydrid as a liquid with peculiar smell, 

 with sweet-bitter taste, sparingly soluble in water, and 

 boiling at 242 C. A., Xylonic,an oxidation product 

 of xylose. A., Yeast-nucleinic, C 40 H 59 N 16 O 22 . 2P,- 

 5 , a primary nucleinic acid occurring in yeast ; it con- 

 tains a carbohydrate group, as Kossel was able to ob- 

 tain from it a hexose and a pentose. A. -yellow. See 

 Pigments, Table of (Illus. Diet .). A., Zizyphic. 

 Latour's name for a crystalline acid found in an aque- 

 ous extract of the wood of the jujube tree, Zizyphu.' 

 sativa. 



Acidifiant {as-id-if f -i-ant) [acidum, acid ; fieri, h 

 become]. Acid- forming. 



Acidifier {as-id-if -i f -ur'). One who or that which cor, 

 fers the properties of an acid upon a substance. For 

 merly oxygen was regarded as the essential " 

 fying principle" or element. 



Acidify (as-id'-if-i). I. To convert into an acid. 31 

 To render sour, to acidulate. 



Acidifying Principle. See under Acidifier. 



Acidimetric (as-id-e-met'-rik). Pertaining to acic 

 imetry. 



Acidity. (See Illus. Diet.) A. of the Stomacr 

 sourness of the stomach due to oversecretion of aci 

 or to fermentation of the food. 



Acidness (as / -id-ness). Same as Acidity. 



Acidobasic, Acidobasigenous (as-id-o-ba'-sik, 

 o-ba-sif -en-us) [acidum, acid ; 3aoic, a foundation 

 yevvav, to produce]. Combining acid and basic cha 

 acters. 



Acidometer (as-id-om'-et-ur). See Acidimeter (Illu 

 Diet.). 



Acidometric (as-id-o-met' '-rik). See Acidimetric. 



Acidopeirastica. See Akidopeirastica. 



Acidophil, Acidophile (as-id'-o-fil) [acidum, 

 (pt?.oc, loving]. 1. Susceptible of imbibing acid si 

 2. A substance having an affinity for acid stains. 



Acidophilic, Acidophilous {as-ia'-of'-il-ik, -us). 

 ing special affinity for acid stains. Cf. Acidophil. 



Acidosis (as-id-o / -sis) [acidum, acid]. A condition 

 acidity. 



Acidoxyl (as-id-oks'-il). A compound of an acidyl I 

 acid radicle with oxygen. 



Acidulant (as-ia'-u-lant). Capable of imparting acid j 

 or sourness. 



Acidulate (as-id'-u-lat) [acidularc, to make sour]. 

 render acid or sour. 



Acidulum {as-id' -u-luni) [I., dim. of acidum']. A 

 acid salt. 



Acidyl (as' -id •//). The radicle of an organic acid, p 

 ticularly those hydrocarbons of the formula 



Acidylated (as-id / -il-a-ted). Combined with the r 

 idue of • nitty acid (acidyl). 



Acies. (See Illus. Diet.) 4. A ridge occurring at 

 intersection of two planes —as of bones. A. digiton! 

 manus, the phalanges of the ringers taken 

 from tlu-ir resemblance to a line of spears A. diuri; 

 See Hemeralopia (Illus. Diet.). A. vespertina. \ 

 Nyctalopia (Illus. Diet.). 



