5 letter words with REO in the middle

Freon

Part of Speech: Noun

Definition: A trademark name for a group of chlorofluorocarbons used as refrigerants and aerosol propellants.

Pronunciations: US: /ˈfriˌɑn/; UK: /ˈfriːɒn/

Origin and Usage: The term "Freon" was originally a trademark of DuPont for a type of refrigerant gas. The word was coined in the 1930s as a combination of "free" and "chlorine," referring to the chemical composition of the gas. Freon has been widely used as a refrigerant and aerosol propellant, but its use has been phased out due to its harmful effects on the ozone layer.

Synonyms: Chlorofluorocarbons, refrigerants, aerosol propellants

Related Words: Chlor, fluor

Example Sentences:

1. Freon was widely used as a refrigerant in air conditioning systems before it was phased out due to environmental concerns.
2. The use of Freon in aerosol sprays was banned in many countries due to its harmful effects on the ozone layer.
3. Some older refrigerators and air conditioners may still contain Freon, which can be harmful if released into the environment.