Polyacid


[pol-ee-as-id] /ˌpɒl iˈæs ɪd/ Chemistry

adjective
1.
having more than one replaceable hydrogen atom.
2.
capable of reacting with more than one equivalent weight of an .
noun
3.
an having more than one replaceable hydrogen atom.
4.
an oxyacid containing the equivalent of extra molecules of its anhydride, as the polysulfuric , H 2 S 2 O 7 or H 2 SO 4 ⋅SO 3 , and H 2 S 3 O 1 0 or H 2 SO 4 ⋅2SO 3 .

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