perinigricon means synonym of peribothron (“periapsis of a black hole”). Lexicurio rates it Rare gem — a strength score of 82 out of 100.
Etymology
From peri- + Latin niger (“black”) + -icon, alternative form of -ion.
noun
- Synonym of peribothron (“periapsis of a black hole”).“Because tidal energy deposition falls faster than the sixth power of the ratio of tidal radius to orbital radius, tidal effects near the perinigricon of S2 are expected to be negligible, consistent with its lack of infrared variability.”