Word Pronunciation & Dictionary

Questions

What does r acid mean?
A crystalline sulfonic acid, HOC₁₀H₅(SO₃H)₂, derived from beta naphthol and used as a dye intermediate; 2-naphthol-3,6-disulfonic acid.

How to pronounce r acid

  1. Open the pronunciation page — Open the Speakur entry for “r acid”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “r acid”.
  4. Repeat and practice — Say “r acid” aloud, matching stress and vowels until it feels natural.