epistasis

[ ih-pis-tuh-sis ]

noun,plural e·pis·ta·ses

[ih-pis-tuh-seez]. /ɪˈpɪs təˌsiz/.

Genetics. a form of interaction between nonallelic genes in which one combination of such genes has a dominant effect over other combinations.
Medicine/Medical.
- the stoppage of a secretion or discharge.
- a scum that forms on a urine specimen upon standing.

Origin of epistasis

First recorded in 1915–20, epistasis is from the Greek word epístasis stopping, stoppage. See epi-, stasis

Other words from epistasis

ep·i·stat·ic [ep-uh-stat-ik], /ˌɛp əˈstæt ɪk/, adjective

Words Nearby epistasis

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for epistasis

epistasis

/ (ɪˈpɪstəsɪs) /

noun

obsolete scum on the surface of a liquid, esp on an old specimen of urine
med the arrest or checking of a bodily discharge, esp bleeding

Also called: hypostasis genetics the suppression by a gene of the effect of another gene that is not its allele

Origin of epistasis

C19: from Greek: a stopping, from ephistanai to stop, from epi- + histanai to put

Derived forms of epistasis

epistatic (ˌɛpɪˈstætɪk), adjective

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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