A consonant, including f or s in English, generated by the pushing of air through a constricted passage. Also known as spirant.
Any of several noises created by environment moving through a constriction in the mouth and typically creating a sibilant, hissing, or humming high quality; a fricative consonant. English /f/ and /s/ tend to be fricatives.
A fricative consonant. See I., 1.
a continuant consonant created by breathing moving against a narrowing of this singing tract
created by air streaming through a restriction inside mouth.
from the friction or rustling associated with the air, intonated or unintonated, through a narrow orifice between two of this lips organs; uttered through an in depth method, not with a whole closing, regarding the organs of articulation, thus with the capacity of being continued or prolonged; -- stated of particular consonantal noises, as f, v, s, z, etc.
of address sounds made by forcing atmosphere through a constricted passage (as `f', `s', `z', or `th' in both `thin' and `then')
Characterized by rubbing: stated of those alphabetic noises in which the conspicuous element is a rustling associated with the air through a partly opened place of organs, as s and sh, z and zh, f and v, th and Ŧh, and so forth. They're often split into subclasses, as sibilants, like s and sh, and spirants, like f and verb
Sounded by friction, as particular music instruments. See tool, 3 .