1. Periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun

Derived forms: perihelia

Type of: periapsis, point of periapsis

Antonym: aphelion

Encyclopedia: Perihelion

• throstle
• throttle
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• throttler
• throttling
• through
• through an experiment
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• through empirical observation
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