ex·pres·siv·i·ty

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


Origin:
1930–35; < German Expressivität. See expressive, -ity

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World English Dictionary
expressivity (ˌɛksprɛˈsɪvɪtɪ) [Click for IPA pronunciation guide]
 
n
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

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Expressivity is always a great word to know.
So is lollapalooza. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
Example sentences
Need to consider test results in the context of mutation variability, gene penetrance, and gene expressivity.
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