Topic Navigator
Noun Tree | Nouns Groups | Verb Groups | SearchParent Categories
¬
entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
¬
¬
¬
¬
¬
chemical, chemical substance go
material produced by or used in a reaction involving changes in atoms or molecules
material produced by or used in a reaction involving changes in atoms or molecules
¬
compound, chemical compound go
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
¬
¬
fluorocarbon
a halocarbon in which some hydrogen atoms have been replaced by fluorine
a halocarbon in which some hydrogen atoms have been replaced by fluorine
noun.substance
4 Subcategories
-
chlorofluorocarbon, CFC go
a fluorocarbon with chlorine
-
hydrofluorocarbon, HFC go
a fluorocarbon emitted as a by-product of industrial manufacturing
-
perfluorocarbon, PFC go
a powerful greenhouse gas emitted during the production of aluminum
-
tetrafluoroethylene go
a flammable gaseous fluorocarbon used in making plastics (polytetrafluoroethylene resins)