r-color or r-col·or·ing [ahr-kuhl-er or ahr-kuhl-er-ing] noun Phonetics.
- the auditory quality of an r-sound given to a vowel, resulting from retroflex articulation or bunching of the tongue.
Also called r-qual·i·ty [ahr-kwol-i-tee] /ˈɑrˌkwɒl ɪ ti/. Related formsr-col·ored, adjective