bisect
verb (specialist)- bisect something
to divide something into two equal parts 对半分;二等分 A busy road bisects the village. 一条繁忙的道路将村庄一分为二。 A circle is bisected by its diameter. 圆被它的直径一分为二。
Word Originmid 17th cent.: from bi- ‘two’ + Latin sect- (from secare ‘to cut’).