co-

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See also: Appendix:Variations of "co"

English

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Etymology

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From Latin co-, allomorph of Latin con-.

Pronunciation

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Prefix

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co-

  2. Together: the root word is done co-incidently.
    2. Jointly: the root verb is done in coordination between multiple actors or entities
      coadoption is joint adoption, coadapt is to adapt together, coanalysis is analysis together
    4. Along with: the root verb is done along with or in addition to others.
      coassemble is to assemble along with others, coadhesion is adhesion along with another material, coadsorb is to be adsorbed along with another substance. Here there is not an indication of intentional coordination.
    6. Mutually: the root is done in a way that is reciprocal and bidirectional.
      coadherence is mutual adherence, coattraction is mutual attraction, coannihilate is to annihilate each other. Unlike the sense of jointly where it is done by both, this sense indicates it is being both to each other.
    8. Simultaneously, done or able to do at the same time.
      cobirthing is simultaneous bringing into being, cosexual is being able to simultaneously reproduce as both female and male, cocluster is a simultaneous cluster of rows and columns, coagglutination is the simultaneous agglutination of two or more proteins or antigens. This sense emphasizes the temporal aspect.
    10. Spatially located or positioned together, co-located.
      cocirculate is to circulate together, coarctate is arctated together, coattend is to attend together.
    12. In conjunction: the root needs another entity to take effect, or there is a one-way interaction between them.
      coantioxidant is a material that has antioxidant activity in the presence of another, codepletion is the depletion of one substance in conjunction with the depletion of another, comedication is a second medication used to alleviate the side-effects of another
    14. Moving or oriented in the same direction; co-directional.
      coflowing is flowing in the same direction, cocurrent is of or pertaining to flow in the same direction, coalign is to align together
    16. Gender-mixed; having men and women together for the root activity or location.
      co-corrections is the housing together of male and female prisoners, co-educate is to educate children of both sexes together
  4. Having commonality, similarity with respect to the root.
    coaxial is having a common central axis, cobelligerent is country that wages war against a common enemy, without the countries on the same side having a formal treaty of military alliance, coaltitude is the same altitude as that of another aircraft
    2. Coequal, equal in rank.
      coadministrator is a joint administrator, coassessor is a joint assessor, cocaptain is a joint captain
    4. Indicating a family relationship that indicates a common rank made through three degrees of separation, the middle of which is by marriage.
      co-sister is one's spouse's sibling's wife, co-parent-in-law is a parent of one's child-in-law; co-husband is in a polyandrous marriage, another husband of a man’s wife
    6. Equally, equal with respect to the root.
      cointense is equal in intensity, codominant is equally dominant, coextension is being equally extended
    8. (mathematics) Homomorphic with respect to the root.
      cocharacter is a homomorphism of a character, cofree is homomorphic and free, cohyponormal is homomorphic and hyponormal
    10. During the same time period as the root.
      coseasonal is during a season, coseismic is during an earthquake, cotemporality is the state or characteristic of existing or occurring during the same period of time
  6. (mathematics) Dual or complement.
    coaltitude is the complement of an altitude, colatitude is the complement, in spherical coordinates, of a latitude (the difference between a latitude and 90°, cocategory is the dual of a category, coarea is the dual of the area
  8. Having multiple targets or effects; the root affects or involves multiple subjects.
    coaccused is one of two or more people accused of the same offence, coaccumulation is the accumulation of two or more materials at the same time, coadsorption is the adsorption of multiple substances at the same time
  10. Secondary or auxiliary in rank or priority.
    copilot is a backup or assistant pilot of an aircraft, coabuser is someone who collaborates with or refrains from interfering with an abuser in perpetrating abuse, cofeature is an auxiliary or secondary feature, coname is a secondary name
  12. (biochemistry) Referring to coenzymes.
    coglucosidase is a coenzyme that activates a glucosidase, coprotease is a protease coenzyme, codehydrogenase is any dehydrogenase coenzyme
  14. (organic chemistry) Referring to copolymers.
    codimer is any dimeric copolymer, copolypeptide is any polypeptide that is a copolymer, comonomer is any of a group of monomers that, when polymerized, form a copolymer
  16. (chemistry) Deriving from multiple sources.
    copolymer is a polymer derived from more than one species of monomer, cointercalation is the intercalation of two or more materials, coconformation is the joint conformation of two, interacting molecules, especially that of a rotaxane

Usage notes

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  • With many terms, a hyphen (-) is used in British English, and is omitted in American English.

Synonyms

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Derived terms

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English terms prefixed with co-
terms derived from jointly
terms derived from with
terms derived from coequal
terms derived from simultaneous
terms derived from commonality
terms derived from dual
terms derived from mutually
terms derived from multiple
terms derived from colocated
terms derived from inconjunction
terms derived from marriage
terms derived from secondary
terms derived from codirection
terms derived from coenzyme
terms derived from copolymer
terms derived from multifactorial
terms derived from equally
terms derived from homomorphism
terms derived from gender
terms derived from during

Translations

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Further reading

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Anagrams

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Catalan

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Etymology

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From Latin co-.

Prefix

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co-

  1. co- (together; jointly)

Derived terms

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Catalan terms prefixed with co-

Further reading

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French

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Pronunciation

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Prefix

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co-

  1. co- (together; jointly)

Derived terms

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French terms prefixed with co-

Italian

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Prefix

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co-

  1. co-

Derived terms

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Italian terms prefixed with co-

Latin

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Pronunciation

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Prefix

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co-

  1. allomorph of con-

Usage notes

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Used before vowels and h, but not the consonants /j/ and /w/.

Manx

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Etymology

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From Old Irish com-.

Prefix

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co-

  1. co-

Derived terms

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Manx terms prefixed with co-

Mutation

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Manx mutation
Radical Lenition Eclipsis
co- cho- go-
Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.

References

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Polish

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Etymology

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From co.

Pronunciation

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Prefix

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co-

  1. forms adjectives and adverbs specifying how often something happens: -ly
    ‎co- + ‎dzienny → ‎codzienny (“daily”)
    ‎co- + ‎godzinny → ‎cogodzinny (“hourly”)
    ‎co- + ‎miesięczny → ‎comiesięczny (“monthly”)
    ‎co- + ‎roczny → ‎coroczny (“yearly”)

Derived terms

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Polish terms prefixed with co-

Further reading

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  • co- in Polish dictionaries at PWN

Portuguese

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Etymology

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Borrowed from Latin co-.

Prefix

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co-

  1. co-

Usage notes

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Never takes a hyphen in modern spelling.

Derived terms

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Portuguese terms prefixed with co-

Scottish Gaelic

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Alternative forms

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Etymology

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From Old Irish com-.

Prefix

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co-

  1. Usually (but not always) designates mutuality or reciprocity.

Derived terms

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Scottish Gaelic terms prefixed with co-

References

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Spanish

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Etymology

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From Latin co-.

Pronunciation

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  • IPA(key): /ko/ [ko]
  • Syllabification: co-

Prefix

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co-

  1. co-

Derived terms

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Spanish terms prefixed with co-

Further reading

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