fricative has definitions from the fields of linguistics,phonetics
1
[ adjective ] of speech sounds produced by forcing air through a constricted passage (as `f', `s', `z', or `th' in both `thin' and `then')

Synonyms

spirant sibilant

Related terms

soft

2
[ noun ] (linguistics,phonetics) a continuant consonant produced by breath moving against a narrowing of the vocal tract

Related terms

continuant_consonant

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