second of arc

Questions

What does second of arc mean?

An angle, one sixtieth (1/60th) of a minute of arc or one 3600th of a degree.

How to pronounce second of arc

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