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life form

or life-form

noun

  1. the form that is characteristic of a particular organism at maturity.


life form

noun

  1. biology the characteristic overall form and structure of a mature organism on the basis of which it can be classified
  2. any living creature
  3. (in science fiction) an alien
“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


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Word History and Origins

Origin of life form1

First recorded in 1850–55

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