tropism - WordReference.com Dictionary of English

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- See Also:
- - trophic
  - tropho-
  - trophoblast
  - trophy
  - trophy wife
  - tropic
  - tropical
  - tropical storm
  - tropical year
  - tropicbird
  - tropism
  - tropology
  - tropopause
  - troposphere
  - troppo
  - Trot
  - trot
  - troth
  - Trotskyism
  - trotter
  - trotting
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tropism

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Concise Oxford English Dictionary © 2008 Oxford University Press:
tropism /ˈtrəʊpɪz(ə)m, ˈtrɒp-/

▶noun Biology the turning of all or part of an organism in response to an external stimulus.

– origin C19: from Gk tropos ‘turning’ + -ism.

'tropism' also found in these Oxford entries:

thigmotropism - tropic

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