a chemical process in which the direction of optical rotation of a substance is reversed from dextrorotatory to levorotary or vice versa 物質の旋光度の方向が右旋性からら左旋性に逆転され、またその逆も同様である化学過程。
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【上位】 (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved 含まれる物質の構造と、原子と分子の構成によって決定される過程。
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【上位】 (genetics) any event that changes genetic structure; any alteration in the inherited nucleic acid sequence of the genotype of an organism 遺伝子の構造を変える事象。生物の遺伝子型の核酸配列の変化のいずれか。
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【上位】 a change of position that does not entail a change of location; "the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility" 場所の変化を伴わない体勢の変化。
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abnormal condition in which an organ is turned inward or inside out (as when the upper part of the uterus is pulled into the cervical canal after childbirth) 器官が内側にめくれ、裏返る異常な状態（出産後に子宮の上部が頸管に引かれる時に）。
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(counterpoint) a variation of a melody or part in which ascending intervals are replaced by descending intervals and vice versa 上昇間隔を間隔を滑降させると取り替えて、逆もまた同様です、メロディーか部分の変化。
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【上位】 a change of position that does not entail a change of location; "the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility" 場所の変化を伴わない体勢の変化。
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