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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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peroxide
an inorganic compound containing the divalent ion -O-O-
an inorganic compound containing the divalent ion -O-O-
noun.substance
1 Subcategories
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benzoyl peroxide go
a white crystalline peroxide used in bleaching (flour or oils or fats) and as a catalyst for free radical reactions