flotation

flotation
[fləʊˈteɪʃ(ə)n]
(亦作 floatation)
noun
  1. [mass noun]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。
    ■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
    ■the separation of small particles of a solid by their different capacities to float
    浮选
    ■the capacity to float; buoyancy
    浮性，浮力
语源
  1. early 19th cent.: alteration of floatation (from float) on the pattern of French flottaison. The spelling flot- was influenced by flotilla
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