词根：-volv-, -volut-

【词根含义】：卷动

【词根来源】：来源于拉丁语动词volvo, volvere, volvi, volutus(卷动)。

【同源单词】：convolve, evolve, involve, involved, involvement

前缀：e-, ex-

【词根含义】：出,向外;向上

【词根来源】：e-用在b, c, d, g, j, l, m, n, r, v前;ex-用在s前时,s常省略。来源于拉丁语前缀ex-。

【同源单词】：edit, edition, editor, editorial, educate

词根词缀：-tion

【来源及含义】Latin: a suffix forming nouns from verbs of condition and action; an act or process: resumption, absorption; state or condition, redemption, exhaustion; something resulting from or otherwise related to an act or process, assumption, friction

【相关描述】This unit is presenting a small fraction of the hundreds of words ending with the suffix of -tion; however, there is a significant number of words which may help everyone have a better understanding and appreciation of the use of this element.

【同源单词】abduction, abjection, ablution, ablution, abolition, abruption

词根词缀：volv-, volu-, -volve, volut-, -volute, -volution

【来源及含义】Latin: bend, curve, turn, turn around, twist, roll

【相关词根词缀】 Inter-related cross references involving word units meaning "bend, curve, turn": diversi-; diverticul-; flect-, flex-; gyro-; meand-; -plex; streph-; stroph-; tors-; tropo-; verg-; vers-.

【同源单词】advolution, archivolt, circumvolute, circumvolutio, circumvolution, circumvolve