Speakur

Word Pronunciation & Dictionary

Questions

What does refractive index mean?
The ratio of the speed of light in air or vacuum to that in another medium.

How to pronounce refractive index

  1. Open the pronunciation page — Open the Speakur entry for “refractive index”.
  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 “refractive index”.
  4. Repeat and practice — Say “refractive index” aloud, matching stress and vowels until it feels natural.