horoball

Questions

What does horoball mean?

A horosphere together with the space above it.

Where does horoball come from?

Coined by William Thurston (1946-2012), American mathematician. See horosphere and ball.

How to pronounce horoball

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