As nouns the difference between freon and preon
is that freon is an alternative spelling of lang=en while preon is a hypothetical point-like particle, supposed to be a subcomponent of quarks and leptons.
preon
English
Noun
(
en noun)
(physics) A hypothetical point-like particle, supposed to be a subcomponent of quarks and leptons.
See also
* spreon
* subquark
Anagrams
*