modifier

Noun
  1. A content word that qualifies the meaning of a noun or verb (synset 106331794)
  2. A moderator who makes less extreme or uncompromising (synset 110346442)
  3. A person who changes something (synset 109632901)
    "an inveterate changer of the menu"
  4. A gene that modifies the effect produced by another gene (synset 105446862)

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