English version

co-

From Longman Dictionary of Contemporary Englishco-co- /kəʊ $ koʊ/ prefix  1 TOGETHERtogether with to coexist (=exist together or at the same time) coeducation (=with boys and girls together)2 WITHdoing something with someone else as an equal or with less responsibility my co-author (=someone who wrote the book with me) the co-pilot (=someone who helps a pilot)
Examples from the Corpus
co-a coeducational schoolthe copilot
Related topics: Companies, Government
Co.Co. /kəʊ $ koʊ/  1 BBCthe abbreviation of company James Smith & Co.2 and co3 PGAREAthe written abbreviation of county Co. Durham
COCO  the written abbreviation of Colorado
Related topics: Military
C.O.C.O. /ˌsiː ˈəʊ◂ $ -ˈoʊ◂/ noun [countable]  PMIN CHARGE OF (Commanding Officer) an officer who is in charge of a military unit
From Longman Business DictionaryCoCo COMMERCEwritten abbreviation for Companycoco /kəʊkoʊ/ prefix added to the front of a noun to show that someone does a job with someone elsethe co-chairman of Saatchi & SaatchiHer brother is co-director of a medical research firm.The claims will be paid by American International and six other co-insurers.
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