TROMBONE n.
t by some to be the ancient sackbut, consisting of a tube in three parts, bent twice upon itself and ending in a bell. The middle part, bent double, slips into the outer parts, as in a telescope, so that by change of the vibrating length any tone within the compass of the instrument (which may be bass or tenor or alto…
TUMOR n.
Fatty tumor. See under Fatty. -- Innocent tumor, or Benign tumor, one which does not of itself threaten life, and does not usually tend to recur after extirpation. -- Malignant tumor, a tumor which tends continually to spread, to become generalized in different parts of the body, and to recur after extirpation, and…
TURNIP n.
t conical, root of a cruciferous plant (Brassica campestris, var. Napus); also, the plant itself. [Formerly written also turnep.] Swedish turnip (Bot.), a kind of turnip. See Ruta-baga. -- Turnip flea (Zoöl.), a small flea-beetle (Haltica, or Phyllotreta, striolata), which feeds upon the turnip, and often seriously in…
UNIT n.
ights, measures, or money, by which its several denominations are regulated, and which is itself defined by comparison with some known magnitude, either natural or empirical, as, in the United States, the dollar for money, the pound avoirdupois for weight, the yard for length, the gallon of 8.3389 pounds avoirdupois of…
VAPOR n.
r; the application of vapor to the body, or part of it, in a close place; also, the place itself. (b) (Chem.) A small metallic drying oven, usually of copper, for drying and heating filter papers, precipitates, etc.; -- called also air bath. A modified form is provided with a jacket in the outside partition for holding…