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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)
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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
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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
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monoxide
an oxide containing just one atom of oxygen in the molecule
an oxide containing just one atom of oxygen in the molecule
noun.substance
1 Subcategories
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CO, carbon monoxide, carbon monoxide gas go
an odorless very poisonous gas that is a product of incomplete combustion of carbon