flotation
/fləʊˈteɪʃən/(亦作floatation)
noun
mass noun
1- the action of floating in a liquid or gas漂浮：
the body form is modified to assist in flotation.
外形被改进以增加浮力。
1.1
- the process of offering a company's shares for sale on the stock market for the first time（股票的）首次发行。
1.2
- the separation of small particles of a solid by their different capacities to float浮选。
1.3
- the capacity to float; buoyancy浮性, 浮力。
词源