Part of speech:
The point at which an orbiting body, such as a planet or comet, is farthest away from the Sun.
The analogous point in an orbit around a celestial body other than Earth. Not in technical use.
Find another word for perihelion. In this page you can discover 2 synonyms, antonyms, idiomatic expressions, and related words for perihelion, like: aphelion and perigee.