word

Event Horizon

ih-VENT huh-RY-zun

ɪˈvɛnt həˈraɪ.zən

Listen

Hear it in a clear American voice. Slow it down to catch each syllable.

Syllable breakdown

ihVENThuhRYzun

Dictionary meaning

The boundary surrounding a black hole beyond which no matter or radiation can escape; the point of no return where the escape velocity exceeds the speed of light.

Examples

Once matter crosses the event horizon of a black hole, it cannot return.
The Event Horizon Telescope captured the first image of a black hole's shadow in 2019.

Learn one new pronunciation a day

Get a word, name or idiom like “Event Horizon” in your inbox — daily or weekly, free. Unsubscribe any time.

Something wrong? Suggest a correction