Perihelion
"Perihelion" in nb
perihel
(point in the elliptical orbit of a comet, planet, etc., where it is nearest to the Sun)
perihelium
(point in the elliptical orbit of a comet, planet, etc., where it is nearest to the Sun)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.