PANTOGRAPH n.
nstrument for copying plans, maps, and other drawings, on the same, or on a reduced or an enlarged, scale. [Written also pantagraph, and incorrectly pentagraph.] Skew pantograph, a kind of pantograph for drawing a copy which is inclined with respect to the original figure; -- also called plagiograph.…
PLAY n.
Hence, liberty of acting; room for enlargement or display; scope; as, to give full play to mirth. Play actor, an actor of dramas. Prynne. -- Play debt, a gambling debt. Arbuthnot. -- Play pleasure, idle amusement. [Obs.] Bacon. -- A play upon words, the use of a word in such a way as to be capable of double meaning;…
PLUG n.
centerbit, a centerbit ending in a small cylinder instead of a point, so as to follow and enlarge a hole previously made, or to form a counterbore around it. -- Plug rod (Steam Eng.) , a rod attached to the beam for working the valves, as in the Cornish engine. -- Plug valve (Mech.), a tapering valve, which turns in…
RICKETS n.
ren, and which is characterized by a bulky head, crooked spine and limbs, depressed ribs, enlarged and spongy articular epiphyses, tumid abdomen, and short stature, together with clear and often premature mental faculties. The essential cause of the disease appears to be the nondeposition of earthy salts in the osteoid…