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单词 electropoion
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electropoion
electropoion n.
Brit. /ᵻˌlɛktrə(ʊ)ˈpiːɒn/
,
U.S. /əˌlɛktroʊˈpiˌɑn/
,
/iˌlɛktroʊˈpiˌɑn/
[ < electro- comb. form + ancient Greek -ποιόν, neuter of -ποιός that makes (see -poeia comb. form)] disused a solution of potassium dichromate and sulphuric acid, used in voltaic batteries such as the Bunsen battery (frequently attributive).
ΚΠ
1866 H. Morton & A. R. Leeds Student's Pract. Chem. 100 Chester & Co. also manufacture another form of the same battery, under the title of ‘electropoion battery’. The important feature in this is the substitution of a mixture of sulphuric acid and solution of bichromate of potash for the nitric acid.
1882 Manufacturer & Builder Jan. 10/1 The large amount of liquid (electropoion) is merely to save the trouble of frequently recharging; a battery containing six drachms per cell gives equal power, but for a shorter period.
1910 W. J. Dugan Hand-bk. Electro-therapeutics 17 The electrolyte is a solution of sulphuric acid and bichromate of potassium in water. It is called the electropoion fluid.
extracted from electro-comb. form
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更新时间:2025/1/11 23:18:18