PALLADIUM n.
A rare metallic element of the light platinum group, found native, and also alloyed with platinum and gold. It is a silver-white metal resembling platinum, and like it permanent and untarnished in the air, but is more easily fusible. It is unique in its power of occluding hydrogen, which it does to the extent of nearly…
PAN n.
A shallow, open dish or vessel, usually of metal, employed for many domestic uses, as for setting milk for cream, for frying or baking food, etc.; also employed for various uses in manufacturing. "A bowl or a pan." Chaucer.
PARALLEL a.
more parts at fixed intervals, as thirds or sixths. -- Parallel rod (Locomotive Eng.), a metal rod that connects the crank pins of two or more driving wheels; -- called also couping rod, in distinction from the connecting rod. See Illust. of Locomotive, in App. -- Parallel ruler, an instrument for drawing parallel li…
PATCH n.
, ice in overlapping pieces in the sea. -- Soft patch, a patch for covering a crack in a metallic vessel, as a steam boiler, consisting of soft material, as putty, covered and held in place by a plate bolted or riveted fast.
PATTERN n.
A full-sized model around which a mold of sand is made, to receive the melted metal. It is usually made of wood and in several parts, so as to be removed from the mold without injuring it. Pattern box, chain, or cylinder (Figure Weaving), devices, in a loom, for presenting several shuttles to the picker in the proper s…