Accumulator (noun)

  1. A device or system that stores energy, especially electricity.
  2. A person or entity that accumulates or collects things over time.

Origin:

Derived from the latin word "accumulare" which means "to pile up".

Examples:

  1. The wind turbine has an accumulator that stores excess energy for later use.
  2. The batteries in the car serve as the primary accumulator for electrical energy.
  3. He was a known accumulator of antique cars and had a vast collection.
  4. The company's stock portfolio serves as an accumulator of wealth for the firm.
  5. She was a lifelong accumulator of rare books and had a library that was the envy of many collectors.
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