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phosphorous acid

noun

Definition of phosphorous acid

: a deliquescent crystalline acid H3PO3 used especially as a reducing agent and in making phosphites

First Known Use of phosphorous acid

1788, in the meaning defined above

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More Definitions for phosphorous acid

phosphorous acid

noun

Medical Definition of phosphorous acid

: a deliquescent crystalline acid H3PO3 used especially as a reducing agent and in making phosphites

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