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CO

CO

23 4.7
A gas with no color and no smell that is very poisonous and comes from burning fuel
  • noun
  • /siː oʊ/
  • Specialized
: 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
44 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

109 3.4

A person who starts a company or organization with others

31 3.5

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

28 3.4

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

19 3.7

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

17 3.7

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

co-sponsor
  • Formal
14 3.8

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

14 3.7

A person who makes something together with other people

co-defendant
  • Specialized
14 6.3

A person accused in the same court case as another person

co-production
  • Specialized
6 3.6

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

3 3.6

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

2 3.7

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

2 6.2

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

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

1 4.1

A person who invents something with other people

1 3.9

Sleeping in the same bed or room with a child

co-beneficiary
  • Specialized
1 7.0

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

1 4.5

A church leader who shares duties with another leader

co-design
  • Specialized
1 4.1

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

co-production
  • Specialized
1 3.9

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

co-teaching
  • Specialized
1 3.6

Two teachers work together in the same classroom to teach students

co-administration
  • Specialized
1 4.6

To give two or more medicines at the same time

1 8.1

A man who helps raise a child with another parent

co-teaching
  • Specialized
1 3.8

A class where two teachers work together to teach students

1 4.4

People who live together in the same house or home

1 4.6

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

3.7

Working together with another person to lead a group

A way for two or more groups to manage something together

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

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.