A voiceless labiodental fricative is a type of consonantal sound used in a number of spoken languages. It is familiar to English-speakers as the "f" sound in "face". The symbol in the International Phonetic Alphabet that represents this sound is .
Features of a voiceless labiodental fricative:
A voiceless labiodental approximant is a similar sound with less frication. It is transcribed in IPA as .