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单词 supersalt
释义

supersaltn.

Brit. /ˈsuːpəsɔːlt/, /ˈsuːpəsɒlt/, /ˈsjuːpəsɔːlt/, /ˈsjuːpəsɒlt/, U.S. /ˈsupərˌsɔlt/, /ˈsupərˌsɑlt/
Origin: Formed within English, by derivation. Etymons: super- prefix, salt n.1
Etymology: < super- prefix + salt n.1 Slightly earlier currency is probably implied by super n.3 Compare slightly earlier subsalt n.
Chemistry. Now rare.
A salt containing an excess of the acid over the base; an acid salt.
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the world > matter > chemistry > chemical substances > salts > [noun] > specific types > acid salt
super1802
supersalt1804
subacid salt1808
superacid salt1808
1804 T. Thomson Syst. Chem. (ed. 2) II. 373 Of this salt there are two varieties; the first neutral, the other a supersalt.
1806 R. Patterson Adams's Lect. Nat. & Exper. Philos. (rev. ed.) I. App. 547 Some salts are formed by an additional dose of their acids, and hence termed super-salts.
1844 G. Fownes Man. Elem. Chem. 207 Many of the compounds called super, or acid salts..ought strictly to be considered in the light of double salts.
1885 Rep. Brit. Assoc. Advancem. Sci. 1884 41 Berzelius..was the first who made clearer distinction between neutral, acid, and basic salts; instead of these terms he used the terms supersalts and subsalts.
1952 E. Farber Evol. Chem. x. 130 The supersalts..contain one part of the alkali for one of the acid, the neutral salts two parts of the alkali for one of the acid.
This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022).
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n.1804
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