前缀：co-

【词根含义】：共同,一起;加强意义

【词根来源】：com-的变体,来源于希腊语koinos(共同)。

【同源单词】：coagent, coexistence, cognition, cognitive, cognize

前缀：co- 表示"共同", 通常放在元音词根前

cooperation 合作(co+operation操作→共同操作→合作)

coagulate 凝结(co+agul凝聚+ate→凝聚起来)

coalesce 联合；合作(co+al=ally联盟+esce)

coexist 共存(co+exist存在)

cohere 附着；粘着(co+here粘→粘在一起)

coincide 一致，符合，巧合(co+in进+cide掉下→共同掉进来→巧合)

coordinate 协调：同等的(co+ordin顺序+ate→顺序一样→同等的引申为平等；协调)

前缀：co- 共同

cooperation 合作

coaction 共同行动

coeducation 男女同校

coagent 共事者

coexistence 共存，共处

co-worker 共同工作者

co-flyer 副飞行员

co-founder 共同创立者

cohabitation 同居，姘居

co-owner 共同所有人

corotation 共转

comate 同伴，伙伴

copartner 合伙人

coauthor 书的合著者之一

词根词缀：com-, co-, cog-, col-, con-, cor-

【来源及含义】Latin: together, together with, with

【相关描述】The prefix com- is assimilated to co- before h, w, and all vowels:

The prefix com- becomes, cog- before g: cognition, [co + gnoscere, "to know"], et al.

The prefix com- becomes, col- before l: colloquial, et al.

The prefix com- becomes, con- before c, d, g, j, n, q, s, t, v: covivant, et al.

The prefix com- becomes, cor- before r: corrigible, et al.

【相关词根词缀】 Related "together" units: greg-; inter-; struct-.

【同源单词】abscond, abscondee, anticorrosive, bioconcentration, coadjutant, coadjuting