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expressivity

[ek-spre-siv-i-tee]
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noun
  1. the quality or state of being expressive.
  2. Genetics. the degree to which a particular gene produces its effect in an organism.
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Compare penetrance.

Origin of expressivity

From the German word Expressivität, dating back to 1930–35. See expressive, -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for expressivity

expressivity

noun
  1. (esp of a work of art) the quality of being expressive
  2. genetics the strength of the effect of a gene on the phenotype
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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