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CO

CO

6 4.7
A gas with no color and no smell that is very poisonous and comes from burning fuel
  • noun
  • /siː oʊ/
  • Specialized
translation icon : monóxido de carbono
  • At current CO emission rates, that concentration will double again over the next century.
  • carbon monoxide
  • CO emissions
  • carbon monoxide

Examples

  • Each system can be customized to include analyzers for O2, CO, CO2, SO2, THC, and NOx.

    Academic text (1996)
  • We did not observe associations of indoor PM or CO concentrations with respiratory or neurologic symptoms.

    Academic text (2012)
  • However, the vast number of individual sources of CO emissions makes such a system impractical.

    Academic text (1992)
  • Continuous monitoring is required for CO level, MWC load level, and flue gas temperature.

    Academic text (1993)
  • The greater oxygen content reduces fuel efficiency by 1% over gasoline and reduces tailpipe CO emissions by 15%.

    Academic text (1993)
  • Clean syngas can be converted from CO to H2 using the water-gas shift.

    Blog text (32)
  • Without a flame, the carbon monoxide (CO) and unburned hydrocarbons (UHC) are also reduced to low levels.

    Academic text (1998)
  • Five (62.5 percent) of eight arenas had average game CO measurements of 30 ppm carbon monoxide or more.

    Academic text (1993)
  • Installing a working CO detector can save your life by alerting you to dangerous gas levels in your home.

  • Exposure to high levels of CO can lead to serious health problems, such as unconsciousness or death.

Synonyms

carbon monoxide
vsCO
  • Specialized
37 3.6

A colorless, odorless gas that is very poisonous and comes from burning fuels without enough air

notes the chemical formula and technical label for the same gas

Compounds

1 3.7

A person who shares the job of leading a group or committee

3.5

A person who shares the job of leading a committee or meeting with another person

A person who makes something together with other people

A person who helps organise and choose items for an exhibition or collection with another person

co-defendant
  • Specialized
6.3

A person accused in the same court case as another person

co-design
  • Specialized
4.1

A way of making things together with users and other people to share decisions

A person who shares the main job of leading a project or company with another person

A person who finds something for the first time together with one or more others

8.1

A man who helps raise a child with another parent

A person who starts a company or organization with others

A person who invents something with other people

3.7

Working together with another person to lead a group

3.6

A person who shares the job of running a group equally with another person

co-administration
  • Specialized
4.6

To give two or more medicines at the same time

A way for two or more groups to manage something together

co-beneficiary
  • Specialized
7.0

A person who shares a benefit from a will, insurance policy, or trust

A country in northeastern South America that became independent from the United Kingdom in 1966

4.5

A church leader who shares duties with another leader

3.4

A person who helps the main pilot and can fly the plane if needed

Sleeping in the same bed or room with a child

An arrangement where parents and children sleep in the same bed or room

co-sponsor
  • Formal
3.8

A person in government who joins others to support a proposed law

co-teaching
  • Specialized
3.6

Two teachers work together in the same classroom to teach students

co-teaching
  • Specialized
3.8

A class where two teachers work together to teach students

A person who shares the top job at a school with another person

co-production
  • Specialized
3.6

A film or TV series made together by companies in different countries

co-production
  • Specialized
3.9

A way for citizens and government staff to work together to design and provide services

People who live together in the same house or home

Surface Forms

CO singular
COs plural

Etymology

CO is the chemical symbol for carbon monoxide, a very poisonous gas made when carbon burns without enough oxygen. So CO on a detector or warning means this deadly gas you cannot smell.