单词 | perihelion |
释义 | Definition of perihelion in English:perihelionnounPlural perihelia ˌpɛrɪˈhiːlɪənˌpɛrəˈhiliən Astronomy
OriginMid 17th century: alteration of modern Latin perihelium (by substitution of the Greek inflection -on), from Greek peri- 'around' + hēlios 'sun'. Definition of perihelion in US English:perihelionnounˌperəˈhēlēənˌpɛrəˈhiliən Astronomy
OriginMid 17th century: alteration of modern Latin perihelium (by substitution of the Greek inflection -on), from Greek peri- ‘around’ + hēlios ‘sun’. |
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