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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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acyl halide, acid halide
organic compounds containing the group -COX where X is a halogen atom
organic compounds containing the group -COX where X is a halogen atom
noun.substance
1 Subcategories
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acetyl chloride, ethanoyl chloride go
colorless liquid acyl chloride (CH3COCl) that has a pungent odor