COO or coo may refer to:

Business

Certificate of origin A Certificate of Origin or Declaration of Origin (often abbreviated to C/O, CO or DOO) is a document widely used in international trade transactions which attests that the product listed therein has met certain criteria to be considered as origina ...

, used in international trade *

Chief operating officer A chief operating officer or chief operations officer, also called a COO, is one of the highest-ranking executive positions in an organization, composing part of the " C-suite". The COO is usually the second-in-command at the firm, especially if ...

or chief operations officer, high-ranking corporate official *

Concept of operations A concept of operations (abbreviated CONOPS, CONOPs, or ConOps) is a document describing the characteristics of a proposed system from the viewpoint of an individual who will use that system. Examples include business requirements specificatio ...

, used in Systems Engineering Management Process *

Country of origin Country of origin (CO) represents the country or countries of manufacture, production, design, or brand origin where an article or product comes from. For multinational brands, CO may include multiple countries within the value-creation process ...

, a representative to the country or countries of manufacture, production, design, or brand origin where an article or product comes from

Communication

Cell of origin (telecommunications) Cell of origin (COO) is a mobile-positioning technique for finding a caller's cell (the basic geographical coverage unit of a cellular telephone system) location. Overview Crude COO positioning considers the location of the base station to be the ...

* "Coo", the call of pigeons and doves

People

Coo Coo Cal Calvin Bellamy (born July 4, 1970), better known as Coo Coo Cal, is an American rapper and truck driver from Milwaukee, Wisconsin. His single "My Projects" went to #1 on the Billboard Hot Rap Singles chart in 2001. Coo Coo Cal's first album, '' ...

(Calvin Bellamy, born 1970), American rapper *

Coo Coo Marlin Clifton Burton "Coo Coo" Marlin (January 3, 1932 – August 14, 2005) was a NASCAR Winston Cup driver who spent 14 years in the series. Local track history Marlin earned a name for himself at the short tracks in Tennessee and Alabama, running ag ...

(1932–2005), racing driver

Science

Carboxylate In organic chemistry, a carboxylate is the conjugate base of a carboxylic acid, (or ). It is an ion with negative charge. Carboxylate salts are salts that have the general formula , where M is a metal and ''n'' is 1, 2,...; ''carboxylat ...

, type of anion *

Cobalt(II) oxide Cobalt(II) oxide is an inorganic compound that has been described as an olive-green or gray solid. It is used extensively in the ceramics industry as an additive to create blue colored glazes and enamels as well as in the chemical industry for pr ...

, chemical with formula of CoO

Places

* ''Coo'', the former Italian name for the Dodecanese island

Kos Kos or Cos (; el, Κως ) is a Greek island, part of the Dodecanese island chain in the southeastern Aegean Sea. Kos is the third largest island of the Dodecanese by area, after Rhodes and Karpathos; it has a population of 36,986 (2021 census), ...

, now in Greece, off the coast of Turkey *

Calgary Olympic Oval The Olympic Oval in Calgary, Alberta, Canada, is North America's first covered speed skating oval; it was built for the 1988 Winter Olympics and opened on September 27, 1987.Cadjehoun Airport Cotonou Cadjehoun Airport is an airport in the Cadjehoun neighborhood of Cotonou, the largest city in Benin, in West Africa. The airport is the largest in the country, and as such, is the primary entry point into the country by air, with fligh ...

in Cotonou, Benin * COO, the National Rail code for Cookham railway station in the county of Berkshire, UK

Other uses

* Daihatsu Coo, a 2006–2012 Japanese subcompact hatchback * '' Summer Days with Coo'', a 2007 Japanese animated film *

The Cooper Companies The Cooper Companies, Inc., branded as CooperCompanies, is a global medical device company, publicly traded on the NYSE (NYSE:COO). With its headquarters in San Ramon, California, it has a workforce of more than 12,000 employees worldwide and ...