| 单词 | daniell's hygrometer | 
| 释义 | > as lemmasDaniell's hygrometerDaniell battery n. 		(or Daniell's battery, Daniell cell, Daniell's cell)	 a cell in which the cathode is zinc in either dilute sulphuric acid or a solution of zinc sulphate and the anode is copper in a saturated solution of copper sulphate, with the zinc sulphate solution either floating on top of the copper sulphate solution or separated from it by a porous plate; also  Daniell's hygrometer.extracted from Danielln. < as lemmas | 
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