vari (o) - [L] = various各种的，不同的，变异的 

variegate v. 使多样化；使成杂色 [eg(←ag) = to make] 

variform a. 有多样形态的 [-form = having... form ] 

varicoloured a. 杂色的；五颜六色的

variometer n. [电]可变电感器 [-meter = a measuring device]

vas (o) - [L] = vessel 管道；blood vessel 血管 

vasectomy n. [医]输精管切除术[-ectomy = cutting off] 

vasoligation n. [医]输精管结扎术 (ligation n. 结扎） 

vasoconstriction n. 血管缩小 

vasospasm n. 血管疼挛（spasm n. 疼挛）

vermi- [L] = worm 蠕虫

vermicidal a. 杀螺虫的[cid = to kill] 

vermiform a. 蠕虫状的 [-form = having the form of] 

vermifuge n. 驱（寄生虫）药[-fuge = sth. that causes ... to flee]

vermivorous a. 食虫的 [- vorous = devouring]

vice- [L] = deputy 副，代理 

vicegerent n. 摄政者；代理官 [ger = to manage] 

viceroy n. (代表国王管理行省的）总督 [roy (←roi )= king]

vice-chairman n. 副主席 

vice-principal n. 副校长

xanth ( o ) - [GK] = yellow 黄

xanthoma n. [医]黄瘤；黄疣[-oma = tumor] 

xanthopsia n. [医]黄视症[ops =eye; -ia = disease] 

xanthochroi n. 金发的白色人种[ochr = pale] 

xanthophyll n. [化]叶黄素 [-phyll = leave]

xeno- [ GK ] = strange or foreign 异，陌生，外国 

xenogamy n. [植]异株异花受精 [动]杂交配合 [-gamy = marriage] 

xenograft n. 异种皮移植

xenophobia n. 对外国人或事物的畏惧或憎限 [-phobia=fear]