| 释义 |
aph·e·lion
\(ˈ)a|fēlyən, (ˈ)af|hē-, (ˈ)ap|hē-, -lēən\ noun
(plural aphe·lia \-yə, -ēə\)
Etymology: New Latin, alteration (influenced by Greek words in -ion, diminutive suffix) of aphelium, from apo- + -helium (from Greek hēlios sun) — more at solar
: the point of a planet's or comet's orbit most distant from the sun — opposed to perihelion |