water-activated battery
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water-activated battery
[′wȯd·ər ¦ak·tə‚vād·əd ′bad·ə·rē] (electricity)
A primary battery that contains the electrolyte but requires the addition of or immersion in water before it is usable.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.