名詞 cryosurgery:

1. the use of extreme cold (usually liquid nitrogen) to destroy unwanted tissue (warts or cataracts or skin cancers)

cry.o.sur.ger.y

n.（名詞）
The selective exposure of tissues to extreme cold, often by applying a probe containing liquid nitrogen, to bring about the destruction or elimination of abnormal cells.
冷凍手術(shù)：有選擇地將組織暴露在極度寒冷中，通常用含有液化氮的冷凍探針，來損壞或去除發(fā)生病變的細胞

【引伸】
cry.osur.geon
cry.osur.gical