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porism definition

po·rism (pō′riz′əm, pôr′iz′-)

noun

Ancient Math. a geometrical proposition variously defined, as
  1. a proposition deduced from some other demonstrated proposition; corollary
  2. a proposition that uncovers the possibility of finding such conditions as to make a specific problem capable of innumerable solutions

Etymology: ME porysme < ML porisma < Gr, lit., a thing brought < porizein, to bring < poros, passage: see pore

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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