/trʌŋˈkeɪt/
with obj.［often as adj. truncated］
1- shorten (something) by cutting off the top or the end去除顶端（或末端）以截短, 截断（某物）：
a truncated cone shape
一个被截断的圆锥形
discussion was truncated by the arrival of tea.
讨论被送来的茶水给打断了。
1.1
- Crystallography replace (an edge or an angle) by a plane, typically so as to make equal angles with the adjacent faces【晶体】把（晶体相邻面的棱或角）截成平面。
/ˈtrʌŋkeɪt/
- Botany & Zoology (of a leaf, feather, or other part) ending abruptly as if cut off across the base or tip【植, 动】（叶、羽毛等）截形的。
派生词
truncation
noun词源
late 15th cent. (as a verb)： from Latin truncat- 'maimed', from the verb truncare.