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tripartite, a., trtp'art'U (L. tris, 

 three ; partitus, divided), in bot., 

 parted into three divisions nearly 

 to the base. 



tripetalous, a., tri-p^t'-al-us (Gr. 

 treis, three ; petaldn, a leaf), in 

 bot. , having three petals or flower 

 leaves, as a corolla. 



tripinnate, a., trl-pin'-nat (L. tris, 

 three ; pinna, a feather), in bot., 

 divided three times in a pinnate 

 manner, as a compound leaf; 

 having the pinnae of a bipinnate 

 leaf again pinnate : tripinnatifid, 

 a., tri'-ptn-ntittifld (L. findo, I 

 divide, fidi, I have divided), 

 having a pinnatifid leaf with 

 the segments divided twice in a 

 pinnatifid manner. 



triplicostate, a., trip'Il-kdst'dt (L. 

 triplex, threefold ; costa, a rib), 

 in bot., having three ribs pro- 

 ceeding from above the base of 

 the leaf. 



triploblastic, a., trip'-lo-blastf-ik 

 (Gr. triplo'os, threefold ; blastos, 

 a germ), in zool., having ova in 

 which the blastoderm separates 

 into three parts. 



triquetrous, a,, triTc-et'-rus, also 

 triquetral, a., trik-et'ral (L. 

 triquetrus, three-sided), in bot., 

 having three angles with three 

 concave faces ; in anat., three- 

 sided, or three-cornered, as a 

 bone : ossa triquetra, 6s'-sa trik- 

 et'-ra (L. 6s, a bone, ossis, of a 

 bone), supernumerary ossicles 

 found in a great number of skulls, 

 interposed between the cranial 

 bones, like islets in the sutures, 

 and of irregular shape. 



trisepalous, a., tri-sep'-al-us (L. 

 tris, three ; Eng. sepal), in 

 bot., having three sepals, as a 

 calyx. 



triseptate, a., trl-sepff-at (L. tris, 

 three ; septus, hedged or fenced 

 in), having three partitions or 

 septa in an ovary or fruit. 



trismus, n., triz'-mus (Gr. trizo, I 

 gnash), a tetanic spasm affecting 

 the muscles of the jaw j lock-jaw : 



trismus neonatorum, n% -on' at- or'- 

 um (new L. ri&ondtorum, of the 

 newly born from Gr. neos, new ; 

 L. ndtus, born), a form of tetanus 

 attacking infants within a few 

 weeks after birth, characterised 

 by congestion of the spinal arach- 

 noid, with an effusion of blood 

 or serum into its cavity also 

 called t. nascentium, nas-sen'- 

 shi-um (L. nascens, being born, 

 nascentium, of those born) : t. 

 traumaticus, trowm-at'-ik-us (Gr. 

 traumdtikos, fit for healing wounds 

 from trauma, a wound), tetanus, 

 attacking at all ages, arising 

 from cold or a wound. 



tristichous,a., trlst'-lk-us (Gr. treis, 

 three ; stichos, a row), in bot., in 

 three rows. 



triternate, a., tri-tern'-dt (L. tris, 

 three ; terni, three each), in bot. , 

 divided three times in a ternate 

 manner. 



Triticum, n., trit'-ik-um (L. trlt- 

 icum, wheat from trltus, a rub- 

 bing or wearing), the most 

 important genus of the Order 

 Graminese, producing the cereal 

 grains : Triticum vulgare, vulg- 

 dr'$ (L. vulgdris, common), 

 wheat : T. aestivum, est'iv'um 

 (L. (Kstlvus, pert, to summer), 

 the varieties of spring wheat : 

 T. hybernum, hib-ern'-um (L. 

 hybernus, pert, to winter, wintry), 

 the varieties of winter wheat : 

 T. spelta, spelt'-a (AS. spelt, Ger. 

 spelt or spelz, grain, wheat), spelt, 

 an inferior kind of wheat, grown 

 on the Continent, in the Bible 

 called rye : T. compositum, Icom* 

 pdz^it-um (L. compositus, placed 

 or laid together), Egyptian or 

 mummy wheat : T. repens, rep' 

 $nz (L. repens, creeping), couch- 

 grass, or quitch-grass: T. jun- 

 ceum, jun>s8-um (L. juncZus, 

 made of rushes from juncus, a 

 rush), a species used in mucous 

 discharges of the bladder. 



tritozooid, n., trit'-o-zo'-dyd (Gr. 

 trittis, third ; zoo'n, an animal ; 



