词根：rot 轮, 转

rotary [rot轮，转，-ary名词及形容词后缀] 旋转的

rotate [rot轮，转，-ate动词后缀] 旋转，轮流，循环

rotation [rot轮，转，-ation名词后缀] 旋转，转动，轮流，循环

rotative [rot轮，转，-ative…的] 旋转的，轮流的，循环的，

rotator [见上，-ator表示物] 旋转器，旋转反射炉

rotatory [见上，-ory…的] (使)旋转的，(使)轮流的，(使)循环的

rotor [见上，-or表示物] 旋转体，转动体，(直升飞机的)水平旋翼

rotund [rot轮→圆形，-und形容词后缀，有…形的] 圆形的，圆胖的

rotunda [见上，-a名词后缀] 圆形建筑物，圆形大厅

rotundity [见上，-ity名词后缀] 圆，圆形物，圆胖

subrotund [sub-稍，略，rotund圆的] 稍圆的，略圆的

circumrotate [circum-周围，rot转，-ate动词后缀] 周转，回转

circumrotatary [见上，-ary…的] 周转的，回转的

词根词缀：meta-, met-, meth-

【来源及含义】Greek: after, behind, beyond; changed in form, altered; higher [used to designate a higher degree of a branch of science]

【同源单词】acrometagenesis, allochemical metamorphism, atmometamorphism, brachymetapody, digitometatarsal, ectrometacarpia

词根词缀：tars-, tarso-

【来源及含义】Greek > Latin: ankle, tarsal plate of the eyelid; from Greek tarsos, frame of wickerwork; broad, flat surface, as also in tarsos podos, the flat of the foot, instep of the foot; the edge of the eyelid

【同源单词】blepharorrhaphy, digitometatarsal, ectrometatarsia, entometatarse, longitarsal, metatarsal