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-,
stasisDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for epistasis- 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
Word Origin for epistasis
C19: from Greek: a stopping, from ephistanai to stop, from epi- + histanai to put
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for epistasisn.medical Latin, from Greek epistasis "a stopping, stoppage," from epi "upon" (see epi-) + stasis "a stopping or standing" (see stasis).
Online Etymology Dictionary, © 2010 Douglas Harper
n. pl. e•pis•ta•ses (-sēz′)- A film that forms over the surface of a urine specimen.
- An interaction between nonallelic genes, especially an interaction in which one gene suppresses the expression of another.
- The suppression of a bodily discharge or secretion.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
