concave lens

Questions

What does concave lens mean?

a lens such that a parallel beam of light passing through it is caused to diverge or spread out

How to pronounce concave lens

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