co

abbreviation

Definition of co

1 company
2 county

Co

symbol

Definition of Co

cobalt

Other Chemical Engineering Terms

alkali, cation, decant, hygroscopic, isotope, oxidize, slurry, solute, viscous

CO

abbreviation

Definition of CO

1 cash order
2 Colorado
3 commanding officer
4 conscientious objector
5 corrections officer

See CO defined for English-language learners

co-

prefix

Definition of co-

1 : with : together : joint : jointly coexist coheir
2 : in or to the same degree coextensive
3a : one that is associated in an action with another : fellow : partner coauthor coworkerb : having a usually lesser share in duty or responsibility : alternate : deputy copilot
4 : of, relating to, or constituting the complement of an angle cosine

coact
coaction
coactive
coactor
coadministration
coanchor
coauthor
coauthorship
cocaptain
cocatalyst
cochair
cochairman
cochairperson
cochairwoman
cochampion
cocomposer
coconspirator
cocounsel
cocreate
cocreator
cocultivate
cocultivation
coculture
cocurator
codefendant
codesign
codevelop
codeveloper
codirect
codirection
codirector
codiscover
codiscoverer
codrive
codriver
coedit
coeditor
coeternal
coexecutor
cofavorite
cofeature
cofinance
cofound
cofounder
cohead
coheir
coheiress
coholder
cohost
cohostess
coinvent
coinventor
coinvestigator
coinvestor
cojoin
colead
coleader
comanage
comanagement
comanager
comember
conominee
co–occur
co–occurrence
co–occurrent
co–official
co–organizer
co–own
co–owner
co–ownership
copartner
copartnership
copresent
copresident
coprince
coprincipal
coprisoner
coprocessing
coproduce
coproducer
coproduction
copromoter
coproprietor
coprosperity
copublish
copublisher
corecipient
coresearcher
coresident
coresidential
coruler
coscenarist
coscript
cosponsor
cosponsorship
costar
cosurfactant
cotenant
cotransduce
cotransduction
cotransfer
cotransport
cotrustee
cowinner
coworker
cowrite
cowriter

See co- defined for English-language learners

See co- defined for kids

Origin and Etymology of co-

Middle English, from Latin, from com-; akin to Old English ge-, perfective and collective prefix, Old Irish com- with

CO Defined for English Language Learners

co-

prefix

Definition of co- for English Language Learners

: with : together
: associated with another

CO Defined for Kids

CO

abbreviation

Definition of CO for Students

Colorado

co-

prefix

Definition of co- for Students

1 : with : together : joint : jointly cooperate
2 : in or to the same degree
3 : fellow : partner coauthor

Medical Dictionary

Co

abbreviation

Medical Definition of Co

coenzyme

Co

symbol

Medical Definition of Co

cobalt

CO

abbreviation

Medical Definition of CO

cardiac output

Law Dictionary

co

abbreviation

Legal Definition of co

1 company
2 county

CO

abbreviation

Legal Definition of CO

1 commanding officer
2 conscientious objector
3 corrections officer

co-

prefix

Legal Definition of co-

1 : with : together : joint : jointly codefendant
2a : associated in an action with another : fellow co-conspirator b : having a usually lesser share in duty or responsibility : alternate : deputy co-counsel