天火字典

英英字典： perihelion

perihelion

(TTS Sound)

KK Pronunciation

〔 ˏpєrIˋhilIәn 〕

Pronunciation

〔 ˏperiˊhiːljәn 〕

Overview of noun perihelion

The noun perihelion has 1 sense

perihelion -- (periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun)

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