Co
cobalt.
Jump To:
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Co
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CO
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Co.
Co.abbreviationCompany.
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c/o
c/ocare of.
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C/o
C/ocare of.
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C/O
C/Ocash order.
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co-
co-variant 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 ).
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c.o.
c.o.abbreviationcare of.
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C.O.
C.O.abbreviationcash order.
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co
coabbreviationa commercial company (used with a country domain name)
Co
1 AmericanSymbol, Chemistry.
CO
2
American
Co.
3
American
Or
co.
abbreviation
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Company.
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County.
c/o
4
American
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care of.
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Bookkeeping. carried over.
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cash order.
C/o
5
American
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care of.
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Bookkeeping. carried over.
C/O
6
American
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cash order.
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certificate of origin.
co-
7
American
c.o.
8
American
abbreviation
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care of.
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carried over.
C.O.
9
American
abbreviation
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cash order.
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Commanding Officer.
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conscientious objector.
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correction officer.
CO
1
British
abbreviation
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Commanding Officer
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Commonwealth Office
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conscientious objector
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Colorado
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Colombia (international car registration)
co-
2
British
prefix
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together; joint or jointly; mutual or mutually
coproduction
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indicating partnership or equality
cofounder
copilot
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to the same or a similar degree
coextend
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(in mathematics and astronomy) of the complement of an angle
cosecant
codeclination
Co
3
British
abbreviation
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(esp in names of business organizations) Company
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informal and the rest of them
Harold and co
c/o
4
British
abbreviation
-
care of
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accounting carried over
co
5
British
abbreviation
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a commercial company (used with a country domain name)
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Colombia
Co
6
British
symbol
Co
7
British
abbreviation
Etymology
Origin of co-
from Latin, reduced form of com-
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Rice was most recently chairman of Walt Disney Television and chairman of General Entertainment for Walt Disney Co.
From Los Angeles Times ● Oct. 15, 2026
It began in 1888 with his effort to unite separate railway craft unions behind demands for wage concessions from the Chicago, Burlington and Quincy Railroad Co.
From The Wall Street Journal ● Oct. 9, 2026
He also handed over a black-and-yellow Jacob & Co.
From Los Angeles Times ● Oct. 5, 2026
“It’s really just project economics,” said Skip York, chief energy strategist at Turner, Mason & Co.
From MarketWatch ● Oct. 1, 2026
Need location of publisher: Silver Burdett and Co.
From "Music and the Child" by Natalie Sarrazin
Images of Air Force One parked at the Turkish airport show vehicles labeled with the logo of a catering company called Turkish DO & CO.
From The Wall Street Journal ● Aug. 13, 2026
CO chondrites, also called carbonaceous chondrites of the Ornans class, represent only a very small portion of that group.
From Science Daily ● Jul. 19, 2026
Pennington's hometown was Glendale, Kentucky, and he was assigned to the 1st Space Battalion, 1st Space Brigade out of Fort Carson, CO.
From Barron's ● Mar. 10, 2026
“What Eric voted for was a resolution to condemn a horrific antisemitic attack in Boulder, CO that killed Karen Diamond, an 82-year old grandmother,” a campaign spokesman said in a statement.
From Los Angeles Times ● Jan. 28, 2026
“What magazines did you use?” asked Anderson, the female CO who supervised the barbershop downstairs.
From "Newjack: Guarding Sing Sing" by Ted Conover
Stefan Strein recently became head of UNC Management Co., which manages endowments for schools in the UNC System.
From The Wall Street Journal ● Oct. 15, 2026
Taiwan Semiconductor Manufacturing Co., or TSMC, posted a record quarter for profit as demand for artificial-intelligence infrastructure continued to surge, with Chairman and CEO C.C.
From MarketWatch ● Oct. 15, 2026
Taiwan Semiconductor Manufacturing Co., or TSMC, is set to post its third-quarter earnings results on Thursday slightly before 2 a.m.
From MarketWatch ● Oct. 14, 2026
Firman’s X account describes him as a “Commercial Real Estate Co. Principal. Partner in private co. who’s trading is comparable to a hedge fund’s. Rare Vintage Sports Memorabilia Collector.”
From Los Angeles Times ● Oct. 12, 2026
The Potter Palmer & Co. emporium did inspire a sense of reverence in me whenever I stepped inside.
From "The Detective's Assistant" by Kate Hannigan
By filling out a form online or downloading the claim form and then mailing it to Facebook Consumer Privacy User Profile Litigation, c/o Settlement Administrator, 1650 Arch Street, Suite 2210, Philadelphia, PA 19103.
From Los Angeles Times ● Apr. 18, 2023
Donations may be made online at www.miap.us or mailed to Missing in America Project, c/o John Hundahl, 1507 S. Quillan St., Kennewick, WA 99338.
From Seattle Times ● Apr. 10, 2018
From lesser-known labels such as Vetements, Off-White c/o Virgil Abloh and Yang Li to global companies such as Dries Van Noten, Rick Owens, Prada and Maison Margiela, luxury now comes with unfinished hems.
From Washington Post ● Apr. 7, 2015
Contact Getting Around at [email protected] or c/o the Chicago Tribune, 435 N. Michigan Ave., Chicago, IL 60611; on Twitter @jhilkevitch; and at facebook.com/jhilkevitch.
From Chicago Tribune ● Dec. 14, 2014
You may return expense advance to Lovelace Foundation c/o me.
From "Women in Space" by Karen Bush Gibson
As I have only four weeks in which to complete my work here and get to London a 'collect reply by cable to C/o Colonel Sellheim, Australian Intermediate Base, Cairo, would greatly oblige.
From Gallipoli Diary, Volume 2 by Sir Ian Hamilton
The box was a gift from Felix Hoffmann, chief curator at C/O Berlin gallery, which he made in 2013.
From The Wall Street Journal ● Nov. 3, 2015
His personal project, Anniversaries, will be exhibited at C/O Berlin from June 20 to August 16.
From Time ● Jun. 5, 2015
Freeze frame … the C/O Gallery focuses on photography.
From The Guardian ● Aug. 17, 2011
A decade later, the scene has since caught up — though C/O remains at the epicenter, having shown the likes of Robert Frank and Nan Goldin.
From New York Times ● Dec. 26, 2010
C/O was thus founded to rectify Berlin’s undervaluing of art photography.
From New York Times ● Dec. 26, 2010
Nadiem has gained a large following as the co- founder of one of Indonesia's most successful tech companies.
From BBC ● Jun. 30, 2026
“Happy Father’s Day to my baby daddy and rad co- parent,” she captioned a pair of family photos.
From Los Angeles Times ● Nov. 4, 2025
He added, "We are committed to advancing our efforts to transform the prospect of a universal treatment, capable of controlling co- and serial infections of respiratory viruses and bacteria, into a reality."
From Science Daily ● Mar. 18, 2024
“The Yamnaya are extraordinary,” says the study’s co- author Volker Heyd, an archaeologist at the University of Helsinki.
From Scientific American ● Mar. 3, 2023
NOTE.—The forms co-, col-, com-, and cor-, are euphonic variations of con-.
From New Word-Analysis by William Swinton
It seemed significant that our hero came clean about killing his c.o., the darkest element of Don Draper’s origin story, after initially lying about his rank.
From Slate ● May 11, 2015
He emphasized that his c.o. ideas remained unchanged.
From Time Magazine Archive
A New Yorker of draft age, Seeger claimed exemption as a conscientious objector, but he was an unusual sort of c.o.
From Time Magazine Archive
Investigators pronounced him sincere in his beliefs, but the draft authorities followed the Justice Department's advice and ruled that, by the letter of the law, he could not be considered a c.o.
From Time Magazine Archive
The Selective Service Act makes it unmistakably clear that no one is to be exempted from the draft as a c.o. unless he holds to a "belief in a relation to a Supreme Being."
From Time Magazine Archive
Alec Ginsberg, a fourth-generation pharmacist who owns C.O.
From MarketWatch ● Jul. 23, 2026
Instead, it was “so many people screaming, screaming to talk to each other. Screaming for assistance: ‘Yo, C.O., my toilet flooded.
From Slate ● May 19, 2025
An older, more-seasoned lifeboat pilot, future station C.O.
From Seattle Times ● Aug. 18, 2019
Ian Ginsberg stood in his West Village office above C.O.
From New York Times ● Feb. 1, 2019
“Did all the pilots get the word about the briefing today, Sergeant?” the C.O. asked.
From "The Great Santini" by Pat Conroy
Football fever is growing in the States with the co hosts looking an organised side.
From BBC ● Jul. 4, 2026
Liverpool's season to forget may have finished last week but the problems continue for Slot and co.
From BBC ● May 29, 2026
Ochwat and study co author Ted Scambos, a senior research scientist at the University of Colorado Boulder, said new satellite technologies could significantly improve scientists' understanding of rapid glacier retreat.
From Science Daily ● May 19, 2026
It will be close, but I am going for Eli Junior Kroupi and co to edge this.
From BBC ● Apr. 30, 2026
When I got to the trailer, I was able to say what I had been waiting all week to spring on her: "Chi co khoe khong?"
From "Counting by 7s" by Holly Goldberg Sloan
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