(n) a rechargeable battery with a nickel cathode and a cadmium anode; often used in emergency systems because of its low discharge rate when not in use, Syn.nickel-cadmium accumulator
(n) a storage battery having a nickel oxide cathode and an iron anode with an electrolyte of potassium hydroxide; each cell gives about 1.2 volts, Syn.nickel-iron accumulator
n. [ L. ] 1. One who, or that which, accumulates, collects, or amasses. [ 1913 Webster ]
2. (Mech.) An apparatus by means of which energy or power can be stored, such as the cylinder or tank for storing water for hydraulic elevators, the secondary or storage battery used for accumulating the energy of electrical charges, etc. [ 1913 Webster ]
3. A system of elastic springs for relieving the strain upon a rope, as in deep-sea dredging. [ 1913 Webster ]
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เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
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