Aponigricon

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Apoapsis around a black hole. uncountable

    "Indeed, the speed of, say, S2 at perinigricon is as large as 2.6 per cent of the speed of light, while at aponigricon it is 0.1 per cent of c."

Example

More examples

"Indeed, the speed of, say, S2 at perinigricon is as large as 2.6 per cent of the speed of light, while at aponigricon it is 0.1 per cent of c."

Etymology

From apo- + Latin niger (“black”) + -icon, alternative form of -ion.

Related phrases

black hole

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