[dom-uh-nuh ns]


rule; control; authority; ascendancy.
the condition of being dominant.
Psychology. the disposition of an individual to assert control in dealing with others.
Animal Behavior. high status in a social group, usually acquired as the result of aggression, that involves the tendency to take priority in access to limited resources, as food, mates, or space.
Neurology. the normal tendency for one side of the brain to be more important than the other in controlling certain functions, as speech and language.

Also dom·i·nan·cy.

Origin of dominance

First recorded in 1810–20; domin(ant) + -ance
Related formsnon·dom·i·nance, nounself-dom·i·nance, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dominancy

Historical Examples of dominancy

  • Their church is nothing if not absolute, and dominancy is their aim.

    Ireland as It Is

    Robert John Buckley (AKA R.J.B.)

  • Dominancy within the human kind must be secured at all costs.

    Science and Morals and Other Essays

    Bertram Coghill Alan Windle

  • True, the war was lost so far as any hope of winning European dominancy was concerned.

    G. H. Q.

    Frank Fox

  • During its dominancy the victim respects neither law not convention; the goal is his only object.

    Idling in Italy

    Joseph Collins

  • The dominancy of heredity through these infinite varieties is sometimes very striking.


    Henry Faulds

British Dictionary definitions for dominancy



control; ascendancy
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

Word Origin and History for dominancy



1819; see dominant + -ance. Related: Dominancy.

Online Etymology Dictionary, © 2010 Douglas Harper

dominancy in Medicine




The condition or state of being dominant.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.