In
phonetics,
rhotic consonants, also called
tremulants or "R-like" sounds, are
liquid consonants that are traditionally represented
orthographically by symbols derived from the
Greek letter
rho, including in the
Latin script and in the
Cyrillic script. They are transcribed in the
International Phonetic Alphabet by upper- or lower-case variants of Roman , : , , , , , , , and .