English Dictionary |
FREON
Pronunciation (US): | (GB): |
Dictionary entry overview: What does Freon mean?
• FREON (noun)
The noun FREON has 1 sense:
1. any one or more chlorofluorocarbons (or related compounds) that are used as an aerosol propellant, organic solvent, or refrigerant
Familiarity information: FREON used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
Any one or more chlorofluorocarbons (or related compounds) that are used as an aerosol propellant, organic solvent, or refrigerant
Classified under:
Nouns denoting substances
Hypernyms ("Freon" is a kind of...):
CFC; chlorofluorocarbon (a fluorocarbon with chlorine; formerly used as a refrigerant and as a propellant in aerosol cans)
Domain usage:
trademark (a formally registered symbol identifying the manufacturer or distributor of a product)
Context examples
Finding the organohalogen Freon-40 near these young, Sun-like stars was surprising.
(ALMA and Rosetta Detect Freon-40 in Space, ESO)
Formerly used as an inhaled anesthetic during surgery, the primary use of chloroform today is in industry, where it is used as a solvent and in the production of the refrigerant freon.
(Chloroform, NCI Thesaurus)
The astronomers also compared the relative amounts of Freon-40 that contain different isotopes of chlorine in the infant star system and the comet — and found similar abundances.
(ALMA and Rosetta Detect Freon-40 in Space, ESO)
Using data captured by ALMA in Chile and from the ROSINA instrument on ESA’s Rosetta mission, a team of astronomers has found faint traces of the chemical compound Freon-40 (CH3Cl), also known as methyl chloride and chloromethane, around both the infant star system IRAS 16293-2422, about 400 light-years away, and the famous comet 67P/Churyumov-Gerasimenko (67P/C-G) in our own Solar System.
(ALMA and Rosetta Detect Freon-40 in Space, ESO)
This new discovery of one of these compounds, Freon-40, in places that must predate the origin of life, can be seen as a disappointment, as earlier research had suggested that these molecules could indicate the presence of life.
(ALMA and Rosetta Detect Freon-40 in Space, ESO)
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