The plural form of aphelilion, referring to multiple points in astronomical orbits where objects are at maximum distance from the Sun.
A variant or historical plural of 'aphelion' created through Latin inflectional patterns. Rarely encountered in modern scientific writing, which standardly uses 'aphelions.'
Astronomers invented multiple ways to pluralize 'aphelion,' but eventually settled on just adding -s, showing how scientific language simplifies itself over time for clarity and efficiency.
Complete word intelligence in one call. Free tier — 50 lookups/day.