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单词 dominant
释义

WordReference Random House Learner's Dictionary of American English © 2024
dom•i•nant /ˈdɑmənənt/USA pronunciation   adj. 
  1. ruling or controlling;
    exerting authority:The dominant powers took control of the conference.
  2. of or relating to one of a pair of hereditary traits that masks the other when both are present in an organism.
  3. predominant;
    chief or foremost:What are the dominant factors in inflation management?
dom•i•nant•ly, adv. 

WordReference Random House Unabridged Dictionary of American English © 2024
dom•i•nant  (domə nənt),USA pronunciation adj. 
  1. ruling, governing, or controlling;
    having or exerting authority or influence:dominant in the chain of command.
  2. occupying or being in a commanding or elevated position.
  3. predominant;
    main;
    major;
    chief:Corn is the dominant crop of Iowa.
  4. Geneticsof or pertaining to a dominant.
  5. Music and Dancepertaining to or based on the dominant:the dominant chord.

n. 
  1. Genetics
    • 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. Cf. recessive (defs. 4, 5).
  2. Music and Dancethe fifth tone of a diatonic scale.
  3. Ecologyany 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.
  • Latin dominant- (stem of domināns, present participle of dominārī to dominate), equivalent. to domin(us) master + -ant- -ant
  • 1525–35
domi•nant•ly, adv. 
    • 1.See corresponding entry in Unabridged prevailing, principal. Dominant, predominant, paramount, preeminent describe something outstanding. Dominant describes something that is most influential or important:the dominant characteristics of monkeys.Predominant describes something that is dominant over all others, or is more widely prevalent:Curiosity is the predominant characteristic of monkeys.Paramount applies to something that is first in rank or order:Safety is of paramount importance.Preeminent applies to a prominence based on recognition of excellence:His work was of preeminent quality.

Collins Concise English Dictionary © HarperCollins Publishers::
dominant /ˈdɒmɪnənt/ adj
  1. having primary control, authority, or influence; governing; ruling
  2. predominant or primary: the dominant topic of the day
  3. occupying a commanding position
  4. (of an allele) producing the same phenotype in the organism irrespective of whether the allele of the same gene is identical or dissimilar

  5. Compare recessive
  6. of or relating to the fifth degree of a scale
  7. (of a plant or animal species within a community) more prevalent than any other species and determining the appearance and composition of the community
n
  1. a dominant allele or character
  2. the fifth degree of a scale and the second in importance after the tonic
  3. a key or chord based on this
  4. a dominant plant or animal in a community

ˈdominantly adv
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更新时间:2025/7/23 19:19:29