名詞 circumvolution:

1. the act of turning or winding or folding around a central axis

cir.cum.vo.lu.tion

n.（名詞）
An act of turning, coiling, or folding about a center, a core, or an axis.
轉(zhuǎn)動(dòng)，旋轉(zhuǎn)：相對(duì)一個(gè)中心、核心或軸的轉(zhuǎn)動(dòng)、卷纏或折疊的動(dòng)作
A single turn, coil, or fold; a convolution.
一次轉(zhuǎn)動(dòng)、卷纏或折疊；回旋

來(lái)源：
Middle English circumvolucioun
中古英語(yǔ) circumvolucioun
from Medieval Latin circumvolôtiô circumvolôtiôn-
源自 中世紀(jì)拉丁語(yǔ) circumvolôtiô circumvolôtiôn-
from Latin circumvolôtus [past participle of] circumvolvere [to roll around] * see circumvolve
源自 拉丁語(yǔ) circumvolôtus [] circumvolvere的過(guò)去分詞 [轉(zhuǎn)動(dòng)] *參見(jiàn) circumvolve