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polymorphous

[pol-ee-mawr-fuh s]
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adjective
  1. having, assuming, or passing through many or various forms, stages, or the like.
  2. polymorphic.
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Origin of polymorphous

First recorded in 1775–85, polymorphous is from the Greek word polýmorphos multiform. See poly-, -morphous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for polymorphous

polymorphous

polymorphic

adjective
  1. having, taking, or passing through many different forms or stages
  2. (of a substance) exhibiting polymorphism
  3. (of an animal or plant) displaying or undergoing polymorphism
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for polymorphous

adj.

1785, from Greek polymorphos "multiform, of many forms, manifold," from poly- "many" (see poly-) + morphe "shape, form" (see Morpheus). Related: Polymorphic; polymorphously; polymorphousness.

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Online Etymology Dictionary, © 2010 Douglas Harper