cav.i.ta.tion

n.（名詞）
The sudden formation and collapse of low-pressure bubbles in liquids by means of mechanical forces, such as those resulting from rotation of a marine propeller.
氣穴現(xiàn)象：由于機械力，如由船用的旋轉機械力產生的致使液體中的低壓氣泡突然形成并破裂的現(xiàn)象
The pitting of a solid surface.
成穴：固體表面坑陷
Medicine The formation of cavities in a body tissue or an organ, especially those formed in the lung as a result of tuberculosis.
【醫(yī)學】 成洞：身體組織或器官內空洞的形成，尤指那種因肺結核而在肺中形成的空洞

來源：
From cavity
源自 cavity

【引伸】
cav.itate.
v.（動詞）