Rhotic

In linguistics, rhotic can refer to:

• Rhotic consonant, such as the sound in red
• R-colored vowel, such as the sound in Midwestern American English pronunciation of fur and before a consonant as in hard.

  Erhua (simplified Chinese: 兒化; traditional Chinese: 儿化; pinyin: érhuà) - R-coloring /ɚ/ in Mandarin Chinese.

• Rhotic accent, an accent where a rhotic consonant can occur without being followed by a vowel