word
periapsis
pair-ee-AP-sis
ˌpɛriˈæpsɪsListen
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Syllable breakdown
periapsis
Dictionary meaning
The point in an orbit where an object is nearest to the body it revolves around.
History and origin
Greek peri + hapsis.
Examples
- The probe fired its engines shortly before periapsis around Mars.
Common mispronunciations
pair-ee-AH-pis
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