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Freon

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Fre·on  (frn)
A trademark used for a variety of nonflammable gaseous or liquid fluorinated hydrocarbons employed primarily as working fluids in refrigeration and air conditioning and as aerosol propellants.

Freon
Noun
Trademark any of a group of gas or liquid chemical compounds of methane with chlorine and fluorine: used in propellants, aerosols, and solvents
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.Freon - any one or more chlorofluorocarbons (or related compounds) that are used as an aerosol propellant, organic solvent, or refrigerant
trademark - a formally registered symbol identifying the manufacturer or distributor of a product
CFC, chlorofluorocarbon - a fluorocarbon with chlorine; formerly used as a refrigerant and as a propellant in aerosol cans; "the chlorine in CFCs causes depletion of atmospheric ozone"

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Freon and other refrigerants are a critical part of what allows North Americans to maintain food at safe temperatures as well as cool their homes and offices during the summer.
Once it's in place on a spacecraft, ENose will run 24 hours a day, 7 days a week, monitoring the air to make sure that dangerous substances, such as mercury, or coolants, such as Freon, aren't present in the cabin.
The effect of strontium fades as a function of time, temperature, agitation of the melt and the use of aggressive degassing agents, such as chlorine or Freon.
 
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