THROUGH a.
rough bridge, a bridge in which the floor is supported by the lower chords of the tissues instead of the upper, so that travel is between the trusses and not over them. Cf. Deck bridge, under Deck. -- Through cold, a deep-seated cold. [Obs.] Holland. -- Through stone, a flat gravestone. [Scot.] [Written also through…
TONIC n.
s of notation (at least in England), based on key relationship, and hence called "tonic." Instead of the five lines, clefs, signature, etc., of the usual notation, it employs letters and the syllables do, re, mi, etc., variously modified, with other simple signs of duration, of upper or lower octave, etc. See Sol-fa.…
TRACTOR SCREW; TRACTOR PROPELLER n.
A propeller screw placed in front of the supporting planes of an aëroplane instead of behind them, so that it exerts a pull instead of a push. Hence, Tractor monoplane, Tractor biplane, etc.
TWIBIL n.
A kind of mattock, or ax; esp., a tool like a pickax, but having, instead of the points, flat terminations, one of which is parallel to the handle, the other perpendicular to it. [Prov. Eng.]
VIVIPAROUS a.
st mammals, or as those plants the offspring of which are produced alive, either by bulbs instead of seeds, or by the seeds themselves germinating on the plant, instead of falling, as they usually do; -- opposed to oviparous. Viviparous fish. (Zoöl.) See Embiotocoid. -- Viviparous shell (Zoöl.), any one of numerous sp…