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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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acid go
any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
oxyacid, oxygen acid
any acid that contains oxygen
any acid that contains oxygen
noun.substance
7 Subcategories
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hypophosphoric acid go
a crystalline tetrabasic acid (H4P2O6)
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hypophosphorous acid, phosphorous acid, orthophosphorous acid go
a clear or yellow monobasic acid (H3PO2)
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polyphosphoric acid go
a series of oxyacids of phosphorus
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periodic acid go
any acid of iodine that contains oxygen
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phosphoric acid, orthophosphoric acid go
an acid used in fertilizers and soaps: H3PO4
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tungstic acid go
an oxyacid of tungsten (often polymeric in nature) formed by neutralizing alkaline tungstate solutions
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vanadium pentoxide, vanadic acid go
any of various oxyacids of vanadium