Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Exercising the most influence or control.
  • adj. Most prominent, as in position; ascendant.
  • adj. Genetics Of, relating to, or being an allele that produces the same phenotypic effect whether inherited with a homozygous or heterozygous allele.
  • adj. Ecology Of, relating to, or being a species that is most characteristic of an ecological community and usually determines the presence, abundance, and type of other species.
  • adj. Music Relating to or based on the fifth tone of a diatonic scale.
  • n. Genetics A dominant allele or trait.
  • n. Ecology A dominant species.
  • n. Music The fifth tone of a diatonic scale.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The fifth major tone of a musical scale (five major steps above the note in question); thus G is the dominant of C, A of D, and so on.
  • n. The triad built on the dominant tone.
  • adj. Ruling; governing; prevailing; controlling; as, the dominant party, church, spirit, power.
  • adj. Predominant, common, prevalent, of greatest importance.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Ruling; governing; prevailing; controlling; predominant.
  • n. The fifth tone of the scale; thus G is the dominant of C, A of D, and so on.

from The Century Dictionary and Cyclopedia

  • Exercising rule or chief authority; governing; predominant: as, the dominant party or faction.
  • Hence Having a controlling effect or influence; most conspicuous or effective; overshadowing.
  • n. In music: The reciting tone in Gregorian scales or modes.
  • n. The fifth tone in the modern scales or modes: so called because of its importance in relation to the key-note or tonic.
  • Having the crown free to light on all sides because of greater height. See crown *class.
  • Characterized by or exhibiting dominance. See dominance, 2.
  • n. In biology, when the cross-bred offspring of parents with antagonistic or mutually exclusive characters visibly exhibits a character of one parent, while it does not visibly exhibit but is able to transmit to descendants the antagonistic character of the other parent, then the character which is manifested, and the cross-bred organism
  • n. which exhibits it, and
  • n. those of its descendants which exhibit it, and
  • n. the parental character, and
  • n. the parent that exhibits it, are all called dominants.
  • n. The greatest of a set of numbers without regard to sign.
  • n. In petrography, in the quantitative classification (see rock), a factor which dominates over another between the ratios and .

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. exercising influence or control
  • n. (music) the fifth note of the diatonic scale
  • adj. most frequent or common
  • adj. (of genes) producing the same phenotype whether its allele is identical or dissimilar
  • n. an allele that produces the same phenotype whether its paired allele is identical or different

Etymologies

Middle English dominaunt, from Old French, from Latin domināns, dominant-, present participle of dominārī, to dominate; see dominate.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle French dominant. (Wiktionary)

Examples

  • By convention, the term dominant hemisphere refers to the cerebral hemisphere that is organized functionally to express language.

    The Neuropsychiatric Guide to Modern Everyday Psychiatry

  • I don't really like the word dominant at this stage, to be honest, because there is a long, long way to go," Vettel said."

    Red Bull's Sebastian Vettel enjoys perfect day with Kinky Kylie

  • The coach used the word dominant to describe Williams' effort.

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  • The original interlude ends on a sustained E, which is the dominant of the chorus 'key, hence the term dominant pedal (or pedal point).

    Anime Nano!

  • HAMBURGER: ... refers to the dream, if you will, the dream of Karl Rove and Ken Mehlman and others in the White House of establishing what they called dominant majority.

    CNN Transcript Oct 23, 2006

  • They didn't want to come to you or to me or to the what they call the dominant media and talk about things like gay rights or stopping advancement of gay rights or abortion or things like that.

    CNN Transcript Nov 3, 2004

  • White South Africans, which he described as the dominant class in terms of economic and education factors, were seen to be unwilling to change, he told a conference in Bloemfontein on anti-racism, anti-sexism and good practice in schools.

    ANC Daily News Briefing

  • Defecting is called a dominant strategy in a game with this payoff matrix.

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  • McLaren began that year in dominant form, but were running a special 'brake-steer' system, which applied differential braking force to the rear wheels as an aid to direction-change.

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  • I'm thinking given how feral-like her psy talent seems to be, a strong dominant is the only dude who could hope to stand up to her.

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