Definition of modifier in English:

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Pronunciation: /ˈmädəˌfī(ə)r/


1A person or thing that makes partial or minor changes to something.
Example sentences
  • ‘Chocolate is a potent mood modifier,’ says the author.
  • OK, so there's no way a sea breeze is a classic cocktail, but since it conforms to the classic rule - a single spirit base and two modifiers - we'll allow it.
  • Some eastern Albertan farmers hold weather modifiers responsible for further disrupting the natural water cycles and dehydrating their already parched land.
1.1 Grammar A word, especially an adjective or noun used attributively, that restricts or adds to the sense of a head noun (e.g., good and family in a good family house).
Example sentences
  • This is possible because moving can function as an attributive modifier of the head noun pianos.
  • Proper nouns can: when we talk about London fog, we are using London (a proper noun) as an attributive modifier of the noun fog.
  • Although the modifier in a noun phrase will often be an adjective, it doesn't have to be.
1.2 Genetics A gene that modifies the phenotypic expression of a gene at another locus.
Example sentences
  • This was explained by the action of rare alleles of autosomal modifiers that can influence or override the sex chromosome genes.
  • These results demonstrate the existence of a class of modifiers of gene expression whose effects are associated with transient changes in DNA methylation of specific loci.
  • The change in allele frequency at the modifier locus during diploid selection is given by Recombination.
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