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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

mixture go
(chemistry) a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)

solution go
a homogeneous mixture of two or more substances

solid solution, primary solid solution
a homogeneous solid that can exist over a range of component chemicals

noun.substance

4 Subcategories

austenite go
a solid solution of ferric carbide or carbon in iron
ferrite go
a solid solution in which alpha iron is the solvent
martensite go
a solid solution of carbon in alpha-iron that is formed when steel is cooled so rapidly that the change from austenite to pearlite is suppressed
double salt go
a solution of two simple salts that forms a single substance on crystallization