abscissionn.
英 əb'sɪʃ(ə)n | 美 æb'sɪʒən
中文n. 切断；切除；顿断法
词根词源
abscission (n.)"removal or cutting away," early 15c., from Latin abscissionem (nominative abscissio) "a cutting off," noun of action from past participle stem of abscindere "to cut off" (see abscissa).
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