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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

sulfide, sulphide
a compound of sulphur and some other element that is more electropositive

noun.substance

5 Subcategories

pyrites go
any of various metallic-looking sulfides (of which pyrite is the commonest)
hydrogen sulfide go
a sulfide having the unpleasant smell of rotten eggs
iron disulfide go
a compound containing two atoms of sulfur combined with iron
cadmium sulfide go
a yellow sulfide used chiefly as a pigment
zinc sulfide, zinc sulphide go
a yellow to white crystalline fluorescent compound that occurs naturally as sphalerite or wurtzite and is used as a luminous pigment