trisect

英 [traɪ'sekt] 美 [traɪ'sɛkt]
  • vt. 把…截成三段；把…三等分
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英文词源

trisect (v.)
1690s, from tri- "three" + Latin sectus "cut," past participle of secare "to cut" (see section (n.)). Probably patterned on bisect. Related: Trisected; trisecting; trisection (1660s).