Antihorizon
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 The opposite of an event horizon, allowing escape but not entry.
"White holes must therefore be surrounded by the opposite of an event horizon, something known as an antihorizon, which would allow one-way traffic out and never in. Unfortunately, antihorizons are very unstable and get converted to normal horizons in a matter of seconds after forming."
Example
More examples"White holes must therefore be surrounded by the opposite of an event horizon, something known as an antihorizon, which would allow one-way traffic out and never in. Unfortunately, antihorizons are very unstable and get converted to normal horizons in a matter of seconds after forming."
Etymology
From anti- + horizon.
Related phrases
More for "antihorizon"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.