单词 | electropoion |
释义 | > as lemmaselectropoion 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. < as lemmas |
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