expressivity

[ ek-spre-siv-i-tee ]
/ ˌɛk sprɛˈsɪv ɪ ti /

noun

the quality or state of being expressive.
Genetics. the degree to which a particular gene produces its effect in an organism.
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. 2019

British Dictionary definitions for expressivity

expressivity

/ (ˌɛksprɛˈsɪvɪtɪ) /

noun

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