PLAY n. 25 definitions
t, regular or irregular; as, the play of a wheel or piston; hence, also, room for motion; free and easy action. "To give them play, front and rear." Milton. The joints are let exactly into one another, that they have no play between them. Moxon.
PORT n. 11 definitions
scharge and receive cargoes, from whence they depart and where they finish their voyages. Free port. See under Free. -- Port bar. (Naut,) (a) A boom. See Boom, 4, also Bar, 3. (b) A bar, as of sand, at the mouth of, or in, a port. -- Port charges (Com.), charges, as wharfage, etc., to which a ship or its cargo is sub…
PRESSURE n. 6 definitions
ch resists the motion of the piston, as the pressure of exhaust steam which does not find free outlet. -- Fluid pressure, pressure like that exerted by a fluid. It is a thrust which is normal and equally intense in all directions around a point. Rankine. -- Pressure gauge, a gauge for indicating fluid pressure; a man…
PRISM n. 3 definitions
ions, a ray of light passed through them is refracted or bent into a new position, but is free from color. -- Nicol's prism, Nicol prism. Etym: [So called from Wm. Nicol, of Edinburgh, who first proposed it.] (Opt.) An instrument for experiments in polarization, consisting of a rhomb of Iceland spar, which has been bi…