accumulator
C1Formal / Technical
Definition
Meaning
A device or system that collects and stores something, especially energy or a numerical total.
1. (Technical) A rechargeable electric battery, especially in British English. 2. (Computing) A register in a computer CPU where intermediate arithmetic and logic results are stored. 3. (Finance) A type of complex bet in gambling where winnings from one selection are automatically placed on the next. 4. (General) A person or thing that accumulates.
Linguistics
Semantic Notes
Primary meaning is technical (battery, computing). The gambling/betting sense is informal/BrE. The general 'one who accumulates' is rare and formal.
Dialectal Variation
British vs American Usage
Differences
In BrE, 'accumulator' commonly refers to a rechargeable battery (e.g., in a car). In AmE, this is almost always called a 'battery' or 'storage battery'. The betting sense is primarily BrE. The computing sense is international technical jargon.
Connotations
In BrE, has strong everyday connotation related to cars/energy. In AmE, sounds more specialized (computing, engineering).
Frequency
More frequent in BrE due to the common battery usage. In AmE, it's a low-frequency technical term.
Vocabulary
Collocations
Grammar
Valency Patterns
[Verb] an accumulator (replace, charge, discharge)[Adjective] accumulator (hydraulic, electrical, betting)accumulator [Verb] (accumulator stores, accumulator provides)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Place an accumulator (betting)”
- “Run on an accumulator (computing)”
Usage
Context Usage
Business
Rare. Might refer to a fund that accumulates profits.
Academic
Used in computer science and engineering papers for the specific technical concepts.
Everyday
In the UK, used when discussing car battery problems. In betting contexts (sports).
Technical
Primary domain: electrical engineering (battery), computing (CPU register), mechanical engineering (hydraulic/pneumatic store).
Examples
By CEFR Level
- The car won't start; I think the accumulator is flat. (BrE)
- He won a lot of money from a football accumulator bet.
- The hydraulic system uses an accumulator to maintain pressure during pump failure.
- In this processor architecture, the accumulator holds the results of arithmetic operations before they are transferred to memory.
Learning
Memory Aids
Mnemonic
Think of an ACCUMULATOR as an ACCUMUL-ATOR — a thing that does the action of accumulating.
Conceptual Metaphor
A CONTAINER (for energy, data, or money). A GROWING PILE.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- In BrE, it often translates directly to 'аккумулятор' (battery).
- In AmE, using 'accumulator' for a car battery will sound odd; use 'battery'.
- The computing term 'accumulator' is a specific register ('аккумулятор' in Russian computing jargon), not a general memory unit.
- The betting term has no direct single-word Russian equivalent; it's a type of compound bet ('экспресс-ставка').
Common Mistakes
- Using 'accumulator' in AmE to refer to a common car battery.
- Confusing the computing 'accumulator' with general 'memory' or 'cache'.
- Using the general 'one who accumulates' sense in modern English; it's archaic.
Practice
Quiz
In which context is 'accumulator' LEAST likely to be used in American English?
FAQ
Frequently Asked Questions
In British English, yes, a rechargeable battery (like in a car) is often called an accumulator. In American English, 'battery' is the common term, and 'accumulator' is more technical.
It's a single bet that links together multiple selections; the winnings from each selection are automatically staked on the next one. Popular in UK/Irish sports betting.
It's a special register in a central processing unit (CPU) where intermediate results of calculations are temporarily stored.
It is grammatically possible but very rare and formal (e.g., 'an accumulator of debts'). In modern usage, 'collector' or 'hoarder' are more natural for people.
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