Chapter Tricker to Trigamous of T by Webster's Dictionary (1913 Edition)

Tridecane
(Tri*dec"ane) n. [Pref. tri- + Gr. ten. So called from the number of carbon atoms in the molecule.] (Chem.) A hydrocarbon, C₁₃H₂₈, of the methane series, which is a probable ingredient both of crude petroleum and of kerosene, and is produced artificially as a light colorless liquid.

Tridecatoic
(Tri`dec*a*to"ic) a. [Pref. tri- + Gr. de`katos tenth.] (Chem.) Of, pertaining to, or designating, that acid of the fatty acids heterologous with tridecane. It is a white crystalline substance.

Tridecatylene
(Tri`de*cat"y*lene) n. [Pref. tri-+ Gr. de`katos tenth + E. ethylene.] (Chem.) A hydrocarbon, C₁₃H₂₆, of the ethylene series, corresponding to tridecane, and obtained from Burmah petroleum as a light colorless liquid; — called also tridecylene, and tridecene.

Trident
(Tri"dent) n. [L. tridens, -entis; tri- (see Tri-) + dens tooth: cf. F. trident. See Tooth.]

1. (Class Myth.) A kind of scepter or spear with three prongs, — the common attribute of Neptune.

2. (Rom. Antiq.) A three-pronged spear or goad, used for urging horses; also, the weapon used by one class of gladiators.

3. A three-pronged fish spear.

4. (Geom.) A curve of third order, having three infinite branches in one direction and a fourth infinite branch in the opposite direction.

Trident bat (Zoöl.), an Asiatic rhinolophid bat having the nose membrane in the shape of a trident.

Trident
(Tri"dent), a. [L. tridens.] Having three teeth or prongs; tridentate.

Tridentate
(Tri*den"tate Tri*den"ta*ted) a. [NL. tridentatus. See Trident.] Having three teeth; three- toothed. Lee.

Tridented
(Tri"dent*ed) a. Having three prongs; trident; tridentate; as, a tridented mace. [R.] Quarles.

Tridentiferous
(Tri`dent*if"er*ous) a. [L. tridentifer; tridens trident + ferre to bear.] Bearing a trident.

Tridentine
(Tri*den"tine) a. [From L. Tridentum Trent.] Of or pertaining to Trent, or the general church council held in that city.

Tridiapason
(Tri*di`a*pa"son) n. [Pref. tri- + diaposon.] (Anc. Mus.) A triple octave, or twenty- second. Busby.

Tridimensional
(Tri`di*men"sion*al) a. [Pref. tri- + dimensional.] (Chem.) Having three dimensions; extended in three different directions.

Triding
(Tri"ding) n. A riding. See Trithing.

Triduan
(Trid"u*an) a. [L. triduanus, fr. triduum space of three days; tri- + dies day.] Lasting three lays; also, happening every third day. [R.] Blount.

Tridymite
(Trid"y*mite) n. [Gr. threefold. So called in allusion to the supposed threefold nature of the twin crystals.] (Min.) Pure silica, like quartz, but crystallizing in hexagonal tables. It is found in trachyte and similar rocks.

Tried
(Tried) imp. & p. p. of Try. Also adj. Proved; tested; faithful; trustworthy; as, a tried friend.

Triedral
(Tri*e"dral) a. See Trihedral.