saltation
/sælˈteɪʃən/noun
mass noun
1
- Biology abrupt evolutionary change; sudden large-scale mutation【生】突变。
2
- Geology the transport of hard particles over an uneven surface in a turbulent flow of air or water【地质】跃移。
3
- archaic the action of leaping or dancing〈古〉跳跃, 跳动; 跳舞。
派生词
saltatory
/ˈsæltətərɪ/ adjective词源
early 17th cent. (in sense 3)： from Latin saltatio（n-）, from saltare 'to dance', frequentative of salire 'to leap'.