Tremolite, trem′ō-līt, n. one of the amphibole group of minerals, composed of silica, magnesia, and lime, occurring usually in long prisms, white or gray, vitreous, translucent to opaque, usually associated with crystalline schistose rocks.—adj. Tremolit′ic. [From the Val Tremola in the Alps.]
Tremolo, trem′ō-lō, n. (mus.) a tremulous effect suggesting passion: the device in an organ by which this is produced—also Trem′olant, Trem′ulant.—adv. Tremolan′do, in a tremulous manner. [It.]
Tremor, trem′or, n. a shaking or quivering, any involuntary shaking.—adj. Trem′orless. [Tremble.]
Trench, trensh, v.t. to dig a ditch: to dig deeply with the spade or plough.—v.i. to encroach.—n. a long narrow cut in the earth: (fort.) an excavation to interrupt the approach of an enemy: an excavated approach made by besiegers.—n. Tren′chancy, causticity.—adjs. Tren′chant, Tren′ching, cutting: sharp: severe—(Spens.) Tren′chand.—ns. Tren′cher; Trench′-plough, a plough for trenching or turning up the land more deeply than usual.—v.t. to plough with a trench-plough. [O. Fr. trencher (Fr. trancher), acc. to Littré from L. truncāre, to maim—truncus, maimed.]
Trencher, tren′shėr, n. a wooden plate formerly used for cutting meat on at meals: the table: food: pleasures of the table.—ns. Tren′cher-cap, a style of college-cap: a mortar-board; Tren′cher-friend (Shak.), one who frequents the table of another, a parasite; Tren′cher-knight, -man (Shak.), one who can do feats in the way of eating, a feeder; Tren′cher-mate, a table-companion, parasite. [O. Fr. trenchoir—trencher, to cut.]
Trend, trend, v.i. to tend, to run, to go in a particular direction: to incline, lean.—n. tendency. [A.S. trendan.]
Trental, tren′tal, n. a service of thirty masses for thirty days, one each day, for a deceased person. [Low L. trentale—L. triginta, thirty.]
Trente-et-quarante. See Rouge-et-noir.
Trepan, trē-pan′, v.t. to ensnare:—pr.p. trepan′ning: pa.t. and pa.p. trepanned′. [Same as trapan, of which it is an erroneous spelling.]
Trepan, trē-pan′, n. (surg.) a small cylindrical saw used in perforating the skull: a powerful rock-boring tool.—v.t. to remove a circular piece of the skull with a trepan, in order to relieve the brain from pressure or irritation.—ns. Trepanā′tion, Trepan′ning; Trepan′ner. [Fr.,—Low L. trepanum—Gr. trypănon—trypan, to bore.]