English Lexicon

Accumulator

/əˈkjuː.mjʊ.leɪ.tər/
nounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A device or component that stores energy or data for later use.

    "The solar panel system includes an accumulator to store energy for nighttime use."
  2. 2

    In computing, a register in a computer's CPU that temporarily holds data.

    "The accumulator holds the intermediate results of calculations during processing."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The word 'accumulator' originates from the Latin 'accumulare', meaning 'to heap up'. It evolved through Middle French before entering English in the late 19th century, primarily used in contexts related to storage or collection of energy or data.

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