CO - Dictionary Of English

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UK:**UK and possibly other pronunciations'CO': /ˌsiːˈəʊ/; 'Co': Company: /'kəʊ/, cobalt: /ˌsiː'əʊ/

ⓘ One or more forum threads is an exact match of your searched term in Spanish | in French | in Italian | English synonyms | English Usage | Conjugator | in context | images WordReference Random House Learner's Dictionary of American English © 2025CO, an abbreviation of:
  1. Place NamesColorado.
  2. MilitaryCommanding Officer.
  3. conscientious objector.
co-, prefix.
  1. co- comes from Latin, where it has the meaning "joint, jointly, together.'' This meaning is found in such words as: costar, coworker.
  2. A similar meaning for this prefix is "auxiliary, helping.'' This meaning is found in such words as: copilot.
Co. or co., an abbreviation of:
  1. Company.
  2. County.
C/o or c/o, an abbreviation of:
  1. care of.
c.o., an abbreviation of:
  1. care of.
  2. carried over.
WordReference Random House Unabridged Dictionary of American English © 2025CO,
    1. Colorado (approved esp. for use with zip code).
    2. MilitaryCommanding Officer.
    3. conscientious objector.
Co, [Symbol, Chem.]
  1. Chemistrycobalt.
co-,
  1. var. of com- before a vowel, h, and gn: coadjutor; cohabit; cognate. The prefix co- now productively forms new words from bases beginning with any sound (co-conspirator; co-manage; coseismic), sometimes with the derived sense "auxiliary, subsidiary'' (coenzyme; copilot), and, in mathematics and astronomy, with the sense "complement'' (codeclination).
Co.,
    1. Company.
    2. County.
    Also, co.
C/O,
    1. Businesscash order.
    2. certificate of origin.
C/o,
    1. care of.
    2. Business[Bookkeeping.]carried over.
c/o,
    1. care of.
    2. Business[Bookkeeping.]carried over.
    3. Businesscash order.
C.O.,
    1. Businesscash order.
    2. Military, Commanding Officer.
    3. conscientious objector.
    4. correction officer.
c.o.,
    1. care of.
    2. carried over.
Collins Concise English Dictionary © HarperCollins Publishers:: CO abbreviation for
  1. Commanding Officer
  2. conscientious objector
Collins Concise English Dictionary © HarperCollins Publishers:: Co the chemical symbol for
  1. cobalt
Co abbreviation for
  1. County
Co, co abbreviation for
  1. (esp in names of business organizations) Company
  2. and co /kəʊ/informal and the rest of them: Harold and co
Collins Concise English Dictionary © HarperCollins Publishers:: co- prefix
  1. together; joint or jointly; mutual or mutually: coproduction
  2. indicating partnership or equality: cofounder, copilot
  3. to the same or a similar degree: coextend
  4. (in mathematics and astronomy) of the complement of an angle: cosecant, codeclination
Etymology: from Latin, reduced form of com- 'CO' also found in these entries (note: many are not synonyms or translations): acetyl - acetylcholine - Achill Island - alizarin - ampersand - Antrim - apatite - Ards - Armagh - azurite - Ballymena - Ballymoney - Banbridge - Bangor - Belfast - carbon dioxide - carbonic acid - carbon monoxide - carbonate - Carlow - Carrickfergus - Castlebar - Castlereagh - Cavan - Clonmel - co- - coadjutor - coalesce - cobalt - COBOL - co-dependency - Co Derry - Co Durham - co-ed - coefficient - coerce - coeval - cogent - cogitate - cognate - cognition - cognomen - cohabit - cohere - coincide - Coleraine - Colorado - com- - Acapulco gold - account

🗣️Forum discussions with the word(s) "CO" in the title:

'CO-dependent' | 'self-destructive' (CO-ed and mixed) schools (out of / among / of) CO-workers I've been working with so far. [CO-op] %with tear, without tear a CO-guardian A CO-worker is appreciated when <one's> willing to help a COmpany owned by X2 and X3, which in turn is CO-owned by X4 a lady from your work vs. CO-worker/workmate vs. COlleague a person who refuses to join the army [COnscientious objector/ CO/ draft dodger/ COnchy] a place away from his/her employer and CO-workers. a problem of CO-reference: In Ford's home town, he is ... Are the four Adalats of the capital of equal and CO-ordinate authority? As she and her male CO-workers look to beat the weekend traffic home Authoritarian states <CO-opted> technologies Brazil wins World Cup ['CO-text' or 'COntext'?] burden of CO-existing harmoniously by our CO-operative help of the world children of high-born women or CO-wives? CO pay & deductable CO- , Fellow, Mate CO-author or CO-Author at beginning of sentence [capitalization] CO-belonging CO-branded mono ads? CO-buying/ joint purchase/ joint buying/ group buying CO-chair CO-Chairman or CO-Chairmen CO-circum-wanderers CO-COmin’ out CO-COncentration CO-COnspirator/COnspirator more...Visit the English Only Forum.Help WordReference: Ask in the forums yourself. Look up "CO" at Merriam-Webster Look up "CO" at dictionary.com
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