- ruling, governing, or controlling; having or exerting authority or influence: dominant in the chain of command.
- occupying or being in a commanding or elevated position.
- predominant; main; major; chief: Corn is the dominant crop of Iowa.
- Genetics. of or relating to a dominant.
- Music. pertaining to or based on the dominant: the dominant chord.
- the one of a pair of alternative alleles that masks the effect of the other when both are present in the same cell or organism.
- the trait or character determined by such an allele.Compare recessive(defs 4, 5).
- Music. the fifth tone of a diatonic scale.
- Ecology. any of one or more types of plants, or sometimes animals, that by virtue of abundance, size, or habits exert so important an influence on the conditions of an area as to determine, to a great extent, what other organisms can live there.
Origin of dominant
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for dominant
For all that we may wish it to be, “dating” simply is not the dominant romantic culture here.Random Hook-Ups or Dry Spells: Why Millennials Flunk College Dating
January 1, 2015
Many young women in the BDSM subculture find their way into a dominant role, whether coming from a submissive standpoint or not.Dungeons and Genital Clamps: Inside a Legendary BDSM Chateau
December 20, 2014
The sharply tailored blazer and weighty jewelry that cling to her body hints at the dominant personality she possesses.Whip It: Secrets of a Dominatrix
November 25, 2014
Buddhist or Jewish dominant countries are more accepting than Christian or Muslim dominant ones.It Gets Better—but Mostly if You Live in a Rich, Democratic Country
November 11, 2014
If similar rates of increase continued, it would quickly become a dominant factor in elections.How Old People Will Decide Your Future
October 17, 2014
In spite of his youth he was unquestionably the dominant spirit here.Way of the Lawless
I have said that the dominant thinking of our age is materialistic, and by that I mean also physical.The Conquest of Fear
Cassidy struggled with all his pride against the dominant fury this man hurled on him.Within the Law
The old fascination was still as dominant as at its birth, sixteen years ago.Tiverton Tales
Of the two, his miserable little accuser was the dominant figure.The Avenger
E. Phillips Oppenheim
- having primary control, authority, or influence; governing; ruling
- predominant or primarythe dominant topic of the day
- occupying a commanding position
- (of an allele) producing the same phenotype in the organism irrespective of whether the allele of the same gene is identical or dissimilar
- (of a character) controlled by such a gene
- music of or relating to the fifth degree of a scale
- ecology (of a plant or animal species within a community) more prevalent than any other species and determining the appearance and composition of the community
- a dominant allele or character
- an organism having such an allele or character
- the fifth degree of a scale and the second in importance after the tonic
- a key or chord based on this
- ecology a dominant plant or animal in a community
Word Origin and History for dominant
mid-15c., from Middle French dominant (13c.), from Latin dominantem (nominative dominans), present participle of dominari (see domination). Music sense is from 1819. Sexual bondage sense by c.1960. The noun is first recorded 1819, earliest in the musical sense.
- Exercising the most influence or control.
- Of, relating to, or being an allele that produces the same phenotypic effect whether inherited with a homozygous or heterozygous allele.
- A dominant allele or trait.
- An organism having a dominant trait.
- Relating to the form of a gene that expresses a trait, such as hair color, in an individual organism. The dominant form of a gene overpowers the counterpart, or recessive, form located on the other of a pair of chromosomes.
- Relating to the trait expressed by such a gene. See more at inheritance. Compare recessive.
- Being a species that has the greatest effect within its ecological community, especially by determining the presence, abundance, or type of other species. As a plant community progresses through stages of succession, different species may become dominant for a period until the climax community is reached, at which point the dominant species remains stable until a major disruption occurs. Among animals, the dominant species in a community is generally the top predator or the most abundant or widespread species.
- Being an animal that occupies the highest position in a social hierarchy and has the greatest access to resources such as food and a mate or mates. Social dominance is gained and maintained through factors such as size and aggressiveness.