Answer: modifiers

AnswerCrossword Clue
MODIFIERSDiacritics, e.g.
modifiersA word, esp. 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)
modifiersA gene that modifies the phenotypic expression of a gene at another locus
modifiersA person or thing that makes partial or minor changes to something
modifiersMODIFIER, one that modifies (to alter slightly)