Definition of halon
: a halocarbon that contains especially bromine
Recent Examples of halon from the Web
That would come in the form of manmade chemicals like CFCs, HCFS, freon, and halons, most of which have been dramatically reduced thanks to international agreement.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'halon'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of halon
International Scientific Vocabulary hal- + 3-on
First Known Use: circa 1951See Words from the same year
Learn More about halon
Britannica.com: Encyclopedia article about halon
Seen and Heard
What made you want to look up halon? Please tell us where you read or heard it (including the quote, if possible).