accumulator
nounUK /əˈkjuːmjəleɪtə/
US /əˈkjuːmjəleɪtər/
A thing that collects and keeps more and more of something.
The battery is an accumulator that stores energy for later.
RELATED WORDS
OTHER MEANINGS
2. A device or battery that stores electrical energy.
The old car had a lead-acid accumulator under the hood.
3. A register in a computer that holds the result of a calculation.
The program adds each number to the accumulator.
4. A person who collects a large number of things, such as bets or awards.
He was a famous accumulator of rare stamps.