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perihelion

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perihelion

Main Entry:: peri·he·lion
Pronunciation:: \ˌper-ə-ˈhēl-yən\
Function:: noun
Inflected Form(s):: plural peri·he·lia \-ˈhēl-yə\
Etymology:: New Latin, from peri- + Greek hēlios sun — more at solar
Date:: 1666

: the point in the path of a celestial body (as a planet) that is nearest to the sun — compare aphelion

— peri·he·lial

Listen to the pronunciation of perihelial

\-ˈhēl-yəl\ adjective

Learn more about "perihelion" and related topics at Britannica.com

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