spirant

* tính từ
- (ngôn ngữ học) xát hẹp (âm)
* danh từ
- (ngôn ngữ học) phụ âm xát hẹp

a continuant consonant produced by breath moving against a narrowing of the vocal tract

of speech sounds produced by forcing air through a constricted passage (as `f', `s', `z', or `th' in both `thin' and `then')