

TRICHROIC 



•ichroic {tri-kro 1 '-ik) [rpeig, three; XP°°> color]. Pos- 

 ' sensing the property of trichroism. 



ichroism {tri'-kro-izm) [rpeig, three; „tpo«, color]. 



The property possessed by some crystals of exhibiting 

 _ nt colors in three different directions when viewed 

 uismitted light. 



ichromate {tri-kro' -mat) [rpeig, three ; xpuua, color], 

 npound of a basic oxid with three molecules of 



;hromium trioxid. 



ichromatic {tri-kro- mat'- ik) [rpeig, three; xpupa, 



:olor]. Having three colors. 



ichromic {tri-kro 7 -mik) [rpeig, three; xpupa, color]. 



Trichromatic. 



icipital {tri-sip* -it-al ') [triceps, three-headed]. Three- 



leaded. Having three origins. 



iclinate {trik'-lin -at). Same as Tridinic. 

 ' iclinic {tri-klin' -ik) [rpeig three ; tXcvetv, to incline]. 



Pertaining to the inclination of three intersecting axes 



.vith one another. 



icoccous {tri-kok'-us) [rpeig, three; noKitog, a berry]. 



[n biology, having three cocci, or mericarps. 



icocephalus {trik-o-sef -al-us) [Bpi^, hair ; neoa/J), 



lead]. See Trichocephalus, and Parasites {Animal), 



Table of. 



icodein {tri-ko'-de -in) [tres, three; codei>t\. A 



rompound formed by the action of sulphuric acid on 



:odein. Given to animals in full doses it causes vomit- 



ng, ptyalism, and catharsis, 

 'icolor [tri'-kul-or) [L.]. Three-colored. 

 ' icornate {tri-korn'-dt) [tres, three; cornu, horn]. 



Three-horned, or having three horn-like appendages. 

 ' icorni. Bacillus of. See Bacteria, Synonymatic 



of. 

 ' icornigerous {tri-kor-nif -er-us). Same as Tricor- 



tute. 



'icornis \tri-kor' -nis) [tres, three ; cornu, horn]. Hav- 

 three processes or prominences. A descriptive 

 •lame applied to the lateral ventricles of the brain, 

 'icomute {tri-kor'-nut) [tres, three ; comntus, homed]. 



in biology, having three horn-like appendages. 

 'costate (tri-kos'-tdt) [tres, three; costatus, ribbed]. 



n biology, having three ribs, or costee. 

 r icotyledonous [tri-kot-il-e'-do-nus) [rpeig, three; 



0Tv?j/6uv, a hollow]. In biology, having three seed- 

 eaves, 

 'icrotic tri-krot'-ik) [rpiicporog, with three strokes]. 



laving three waves, as a tricrotic pulse ; exhibiting 



ricrotism. 

 ' erotism [tri'- kro - tizm) [rpUporog, having three 



irokes]. The presence of three elevations on the 



lown -stroke of a pulse -tracing ; the quality of being 



ricrotic. 

 ' crotous (tri'-kro-tus) [rpeig, three; Kp&rog, stroke]. 



-ame as Tricrotic. 

 'crural tri-kru'-ral) [tres, three; cms, leg]. In 

 ^ iology, having three branches from a common center, 

 'cuspid [tri-kus'-pid) [tres, three ; cuspis, point], 

 laving three cusps or leaflets. See Valve. T. In- 

 ompetence. See Endocarditis. T. Stenosis, 

 •ee Endocarditis. T. Valve. See Valve. 

 '■ cuspidal ttri.-kus'-pid-al). Same as Tricuspid. 

 cuspidate {tri-kus' -pid-dt) [tres, three ; cuspis, a 

 oint]. In biology, tipped with three cusps, or small, 

 ard teeth. 

 ] cyanic Acid {tri-si-an'-ik). See Acid. 



■ dactyl tri-dak'-til) [rpeig, three; 6aKrv7jog, finger]. 

 ^ laving three digits. 

 1 dactylous {tri-dak' -til-us) 

 nger] . Same as Tridactyl. 

 1 dentate {tri-den' -tat) [tres 

 io l°gy, three-toothed. 



^ deroatlodymus [tri-der-o-at-lod'-im-us) [tres, three ; 



[rpeig, three; 6dicrv?Mg, 

 three ; dens, tooth] . In 



1543 TRIGGER 



deroatlodymus']. A rare variety of triple monster," pre- 

 senting features of the derodidymus and of the atlody- 

 mus. 



Tridigitate (tri-dif -it-dt ) [tres, three ; digitus, finger] . 

 Having three fingers or digitations. 



Tridymus [trid'- im - us) [rpidvjwg']. Synonym of 

 Triplet. 



Tridynamous (tri-din' '-am-us) [rpeig, three ; divauig, 

 power] . In biology, having six stamens, three of them 

 longer than the others. 



Triecious, Tricecious {tri-e / -shus) [rpeig, three; olxog, 

 house] . In biology, producing staminate, pistillate, and 

 perfect flowers respectively on different plants. 



Triencephalus {tri-en-sef -al-us) [rpeig, three; ey/ci^a- 

 'tog, brain]. A fetal monster without smell, hearing, 

 or sight. 



Triethylamin (tri-eth - il f - am- in) [tres, three ; ethyl ; 

 amin~\. A ptomain obtained from haddock left to 

 putrefy in an open vessel for five days in summer. As 

 a free base, it has an oily character and an ammoniacal 

 odor. It is but slightly soluble in water ; boils at S9 - 

 89. 5 C; and is but slightly toxic. See Ptomains, 

 Table of 



Trifacial (tri-fa'-shal). See Trigeminus. 



Trifarious {tri -fa'- re • us) [trifarius, of three sorts, 

 threefold]. In biology, arranged in three rows or 

 series. 



Trifasciated {tri -fash'- e - a - ted ) [tres, three ; fascia, 

 band]. In biology, three-banded. 



Trifid {tri'-fid) [tres, three ; findere, to cleave] . Three- 

 cleft. 



Triflagellate {tri-flaf -el-dt) [tres, three; flagellum, a 

 whip]. Having three flagella ; trimastigate. 



Trinoral, Triflorous {tri-flo'-ral, tri -flo> '- rus) [tres, 

 three ; flos, a flower]. In biology, three-flowered. 



Trifiuorid {tri-flu' '-or-id) [tres, three ; fluorin\. A fluo- 

 rin compound analogous to a trichlorid. 



Trifoliate {tri-fo'-le-dt) [tres, three; folium, a leaf]. 

 In biology, three-leaved. 



Trifolium {tri -ft/- le-um) [tres, three; folium, leaf]. 

 A genus of leguminous herbs ; the clover. T. pratense 

 (common red clover) is vaunted in the treatment of 

 whooping-cough, syphilis, and carcinoma. Unof. T. 

 Compound, a syrup containing in each fluid-ounce the 

 active principles of red clover gr. 32, stillingia, bur- 

 dock, poke, berberis, aquefolium, and cascara amarga 

 aa gr. 16, prickly-ash bark 4, potassium iodid gr. 8. 

 It is recommended in syphilis. Dose jj-ij. Unof. 



Trifoveolate {tri-fZ-ve-o-ldt) [tres, three ; foveola, a 

 little pit] . Having three foveae. 



Trifurcate (tri -fur'- kdt) [Ires, three; furca, fork]. 

 Three-forked. 



Trigamous {trig'- ant - us) [rpeig , three ; yauog, mar- 

 riage]. In biology, having staminate, pistillate, and 

 perfect flowers in the same head. 



Trigastric {tri-gas* -trik) [rpeig, three; yaarijp, belly]. 

 Having three fleshy bellies (as certain muscles). 



Trigeminal {trt-jem'-in- al) [tres, three; geminus, 

 twin-bom]. Triple ; pertaining to the trigeminus. T. 

 Cough. See Cough. 



Trigeminous {tri-jem' -in-us) [tres, three ; gemini, dou- 

 ble]. I. Born three at a time. 2. Same as Trigem- 

 inal. 



Trigeminus {tri-jem' -in-us) [tres, three ; gemini, dou- 

 ble]. The descriptive name of the fifth pair of nerves, 

 which divide each into three branches. 



Trigger {trig'-er) [ Ger. , Drucker, a trigger]. A 

 device by means of which a catch or spring is released. 

 T.-area, a sensitive region of the body, irritation of 

 which may give rise to certain peculiar phenomena, 

 either physiologic or pathologic, in some part of the 

 body. T. -finger, a condition in which flexion or ex- 



