What does "peribothron" mean?

The point in an elliptical orbit around a black hole where the orbiting body is closest to the black hole.

What is a synonym for "peribothron"?

Common synonyms include: perimelasma, perinigricon.

noun

noun ·Rare ·Advanced level

Noun

1
The point in an elliptical orbit around a black hole where the orbiting body is closest to the black hole.
"We also examine the final peribothra q of these orbits to ensure that they are consistent with the observed value for S0-2."

"We also examine the final peribothra q of these orbits to ensure that they are consistent with the observed value for S0-2."

From peri- + Ancient Greek βόθρος (bóthros, “pit”) + -(i)on.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.