| ロシュ限界;ロッシュ限界 | [ロシュげんかい(ロシュ限界);ロッシュげんかい(ロッシュ限界), roshu genkai ( roshu genkai ); rosshu genkai ( rosshu genkai )] (n) Roche limit; Roche's limit (closest that a natural satellite can come to the center of a planet without disintegrating due to tidal forces) [Add to Longdo] |