| 单词 | polyacid |
| 释义 | polyacid[ pol-ee-as-id ] / ˌpɒl iˈæs ɪd / adjectivehaving more than one replaceable hydrogen atom. capable of reacting with more than one equivalent weight of an acid. nounan acid having more than one replaceable hydrogen atom. an oxyacid containing the equivalent of extra molecules of its anhydride, as the polysulfuric acids, H2S2O7 or H2SO4⋅SO3, and H2S3O10 or H2SO4⋅2SO3. Origin of polyacidFirst recorded in 1855–60; poly- + acid Words nearby polyacidPolska, Poltava, poltergeist, poltroon, poly, polyacid, polyacrylamide, polyacrylamide gel, polyacrylamide gel electrophoresis, polyacrylic acid, polyacrylonitrile Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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