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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

matter go
that which has mass and occupies space

substance go
the real physical matter of which a person or thing consists

material, stuff go
the tangible substance that goes into the makeup of a physical object

chemical, chemical substance go
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

organic compound go
any compound of carbon and another element or a radical

aliphatic compound
organic compound that is an alkane or alkene or alkyne or their derivative

noun.substance

4 Subcategories

acetylene, ethyne, alkyne go
a colorless flammable gas used chiefly in welding and in organic synthesis
alicyclic compound go
an aliphatic compound that contains a ring of atoms
alkene, olefine, olefin go
any unsaturated aliphatic hydrocarbon
paraffin, methane series, alkane series, alkane, paraffin series go
a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2)