You searched for: “captive electrolyte batteries”
captive electrolyte battery (s) (noun), captive electrolyte batteries (pl)
A battery that has an immobilized electrolyte which is gelled or absorbed in a material.
This entry is located in the following units: cap-, cip-, capt-, cept-, ceive, -ceipt, -ceit, -cipient (page 3) electro-, electr-, electri- (page 2)