DIMETHYLATED 



220 



DIPHOLIS 



alkalimetry and as a fat color. Syn., Butter yellow. 

 D.amidophenyl dimethyl pyrazolon. See Pyranii- 

 don. D.anilin, C 8 H n N, a reaction-product of anilin 

 hydrochlorate with anilin and methyl alcohol. It is a 

 colorless oily liquid; sp. gr. 0.957 at 20 C. ; boils at 

 193 C. D.arsin Chlorid, (CH 3 ) 2 AsCl, a heavy 

 transparent liquid with penetrating stupefying odor. 

 Inhaled even in moderate quantity it produces excessive 

 inflammation of the nasal mucosa and causes the eyes 

 to become congested with blood. Syn., Cacodyl 

 chlorid. D.arsin Cyanid, (CH 3 ) 2 As(CN), an ex- 

 cessively poisonous crystalline substance. A few 

 grains allowed to evaporate in a room at ordinary 

 temperature produce complete unconsciousness in one 

 inspiring the air. Syn., Cacodyl cyanid. D.arsin 

 Oxid, [As(CH 3 ) 2 ] 2 0, a colorless, heavy liquid, soluble 

 in alcohol and ether, which gives off excessively irri- 

 tating vapor which when mixed with air explodes if 

 heated above 50 C. It acts as a powerful poison ; 

 its inhalation destroys the mucous membrane and pro- 

 duces insensibility. Syn., Cacodyl oxid. D. ben- 

 zene, D. -benzol. See Xylol (Illus. Diet.). D.di- 

 ethylmethane. See Heptane (Illus. Diet.). D.- 

 ethylcarbinol. See Amylene Hydrate (Illus. Diet.). 

 D.ethylcarbinol Chloral. See Amylene Chloral. 

 D.nornarcotin, C 21 H 22 N0 7 , a homolog of normal 

 narcotin. D.phosphin, P(CH 3 ) 2 H, a colorless liquid 

 boiling at 25 ° C. and igniting instantly on exposure to 

 the air. D.-piperazin. See Lupetazin. D.-pi- 

 perazin Tartrate. See Lycetol. D.pyridin. Same 

 as Lntidin. D.pyrocatechin. See Veratrol. D.re- 

 sorcin, C 8 H 10 O 2 , a light, mobile aromatic liquid ; sp. 

 gr. 1.086 at 15 C; boils 214 C. Syn., Pesorcinol- 



CH 

 dimethyl Ether. D. Sulfate, prr 3 >S0 4 , a colorless 



oily fluid much used in chemical manipulation and 

 giving rise to poisoning with marked local and pul- 

 monary symptoms, convulsions, coma, and paralysis. 

 D.xanthin. I. See Paraxanthin in Table of Leuko- 

 mains (Illus. Diet.). 2. See Theobromin (Illus. 

 Diet.). 



Dimethylated (di-meth'-il-a-ted). Combined with 

 molecules of methyl. 



Dimetra (di-me' '-trait) [<S/c, double ; /ui/rpa, the womb]. 

 A double uterus. 



Dimorphobiotic (di-mor-fo-bi-ot'-ik) [&?, two; 

 (loptyTj, shape ; (iiuoig, life]. Relating to an organism 

 which runs through two or more morphologically dis- 

 tinct phases in its life-history — a free stage and a para- 

 sitic stage. 



Dineuric (di-nu'-rik) [die, two; vevpov, nerve]. Pro- 

 vided with two neuraxons ; said of a nerve-cell. 



Dinitrocresol (di-ni-lro-kre f -sol). C 7 H 8 N 2 5 . Ex- 

 plosive crystals melting at 85 ° C. The potassium salt 

 of 0-dinitrocresol is an excellent insecticide and an 

 efficient remedy in scabies, and mixed with equal 

 parts of soap is, under the name of antinonnin, used 

 as an insecticide and to destroy rats and mice. A mix- 

 ture of the potassium salts of ^-dinitrocresol and p- 

 dinitrocresol, a commercial substitute for saffron, has 

 been employed with fatal results. 



Dinitronaphthol {di-nitro-naf '-thol). See Martin's 

 Yelloio, 7 able of I'igments (Illus. Diet.). 



Dinitroresorcin {di-tti ' tro-re-zor'-sin). C 8 H 4 N 2 6 4- 

 2H 2 0. Small yellowish-gray crystals, soluble in al- 

 cohol, obtained from dinitroresorcinol in ether solution 

 by action of nitrogen trioxid. It is employed in his- 

 tologic preparations. Syn., Ordinary dinitroresor- 

 cinol. 



Dionin (di'-o-nin). C 2 H 5 . (OH) . C 17 H, 7 NO . H- 

 Cl -f- HjO. A synthetic substitution-product of mor- 

 phin, the hydrochlorate of ethyl morphin ; a white, 



crystalline, bitter powder, soluble in alcohol and 

 water. It is analgesic, antispasmodic, and sedative, 

 and is employed in diseases of the respiratory passages 

 and in morphinism. Dose, Y>~Y gr. 



Dioning (di-o' '-ning) [A/uw;, the mother of Aphrodite, 

 afterward applied to Aphrodite herself]. Normal 

 love between the opposed sexes ; as distinguished 

 from timing, abnormal love between the same sexes. 



Dioptoscopy [di op-tos / -kofe) [r5«i, through ; bipeoOat, 

 to see ; anoire'tv, to examine]. A method of estimat- 

 ing ocular refraction by means of the ophthalmoscope. 



Dioptroscopy (di-op-lros'-ko-pe). See Petinoscopy. 



Diosmic (di-oz / -mi/c). Containing two atoms of osmium 

 as a quadrivalent radicle. 



Diosmotic {di-oz-mof -ik) \bih, through ; uGfioc, im- 

 pulse]. Pertaining to osmosis. 



Diosphenol (di-os / -fen-ol). C u H 22 3 (Fliickiger). A 

 body isolated by Fliickiger (1880) from the essential 

 oil of the leaves of Barosma betulina, Bartl. , a ruta- 

 ceous plant of southern Africa. Syn., Barosma cam- 

 phor ; Stearoptene. 



Diospyros (di-os f -pi-ros) [(5/of, of Jove; ■nvpog, grain, 

 fruit]. A genus of trees of the order Ebenacea. D. 

 virginiana, L., the persimmon tree of the United 

 States. The bark is astringent, tonic, antiperiodic, 

 and hemostatic, and is used in diarrhea, intermittent 

 fever, and uterine hemorrhage. Dose of fld. ext., 30- 

 60 n\, (1.9-3.7 c.c). 



Diostosis {di-os-to / -sis) \_61a, away from ; oartov, a 

 bone]. Misplacement of a bone. 



Dioviburnia (di-o-vi-bur'-ne-ah). A combination of 

 equal parts of the fluid extracts of Viburnum opnlns, L., 

 V. prnni folium, L. , Chamcelirium carolinianitm, 

 Willd., Caulophyllum thalictroides, Michx., Aletrii 

 farinosa, L., Mitchella repens, L., Scutellaria lateri- 

 flora, L., and Dioscorea villosa, L. It is antispas- 

 modic and anodyne and is used in dysmenorrhea, 

 amenorrhea, etc. 



Dioxyanthranol, Dioxyanthrol (di-oks-e-an' -thran-ol, 

 -throl). See A nth ra robin (Illus. Diet. ). 



Dioxybenzene (di-ohs-e-ben'-ziu). See Hydroquinont 

 (Illus. Diet.). 



Dioxycoumarin, Dioxycumarin (di-ol's-e-koo / -»iar-in). 

 Same as Daphnetin (Illus. Diet.). 



Dioxygen [di-oks'-e-jen). H,0,. A term introduced 

 by G. V. I. Brown (1901) for a preparation of pure hy- 

 drogen dioxid. 



Dioxynaphthalene (di-oks-e-naf -thal-en). C, H/>.,. 

 A toxic compound obtained by fusing naphthalene 

 disulfonic acid with potassic hydrate, and occurring as 

 acicular crystals. According to Lepine, if given in 

 daily doses of 3 gr. (0.194 gm. ) it increases the 

 strength of asthenic persons. 



Dioxytoluene (di-oks-e-tol'-u-en). Same as Orcin 

 (Illus. Diet.). 



Dioxytriphenylphthalid {di-oks-e trifen-il-thal'-id ) . 

 See Phenolphthalein (Illus. Diet.). 



Dipentene. (See Illus. Diet.) Syn., Cynene ; Caju- 

 putene ; Isoterebentene ; Inactive limonene; Diisopro- 

 prene; Divalerylene. D. Dihydrochlorate. See 

 Terpin Dihydrochlorate. D. Glycol. See Terpin 

 Hydrate. D. Hydroiodid. See Terpin Hydroiodate. 



Dipentylene-glycol (di-pcn-til-en-gli'-hol). See 'Per- 

 pin Hydrate, 



Diphenyl. (See Illus. Diet.) Syn., Phenylbenzene. 

 D.carbinol. See Bemhydrol. D. ethylene. See 

 Stilbene (Illus. Diet.). ' D.glyoxal. See Bentil 

 (Illus. Diet. ). D.imid. See Carbatol ( Illus. Diet.). 

 D.ketone. See Benzophenone (Illus. Diet.). D.- 

 urea. See Carbanilid (Illus. Diet. ). 



Dipholis {dif'-ol-is) [dig, twice; cf>o?.ig, a spot or scale] 

 A genus of sapotaceous trees or shrubs indigenous to 



