Topic Navigator

Noun Tree | Nouns Groups | Verb Groups | Search

Parent Categories

entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

thing go
a separate and self-contained entity

unit, building block go
a single undivided natural thing occurring in the composition of something else

group, radical, chemical group go
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule

alkyl, alkyl group, alkyl radical
any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons

noun.substance

2 Subcategories

ethyl, ethyl group, ethyl radical go
the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom
methyl, methyl group, methyl radical go
the univalent radical CH3- derived from methane