浮ふ力りょく

noun

buoyancy; floating power

Physics term for the upward force exerted by a fluid on an immersed object. Also used in everyday contexts for the ability to float.

• 船ふねは浮ふ力りょくによって水みずに浮うかんでいる。

  The ship floats on the water due to buoyancy.

• この素そ材ざいは浮ふ力りょくが大おおきいので、救きゅう命めい胴どう衣いに使つかわれる。

  This material has high buoyancy, so it is used for life jackets.