单词 | saltation |
释义 | Word Frequency saltation(sælˈteɪʃən) noun 1. biology an abrupt variation in the appearance of an organism, species, etc, usually caused by genetic mutation 2. geology the leaping movement of sand or soil particles carried in water or by the wind 3. a sudden abrupt movement or transition Word origin C17: from Latin saltātiō a dance, from saltāre to leap about |
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