PINCH n.
A lever having a projection at one end, acting as a fulcrum, -- used chiefly to roll heavy wheels, etc. Called also pinch bar. At a pinch, On a pinch, in an emergency; as, he could on a pinch read a little Latin.
PLATINUM n.
ng native or alloyed with other metals, also as the platinum arsenide (sperrylite). It is heavy tin-white metal which is ductile and malleable, but very infusible, and characterized by its resistance to strong chemical reagents. It is used for crucibles, for stills for sulphuric acid, rarely for coin, and in the form o…
PLUNGE n.
Heavy and reckless betting in horse racing; hazardous speculation. [Cant] Plunge bath, an immersion by plunging; also, a large bath in which the bather can wholly immerse himself. -- Plunge, or plunging, battery (Elec.), a voltaic battery so arranged that the plates can be plunged into, or withdrawn from, the exciting…