Translation guide
The English word 'accumulator' has several technical meanings. This guide covers how to express these concepts in Japanese, focusing on the most common uses: a rechargeable battery, a computing register, and a hydraulic/pneumatic energy storage device.
A device that stores electrical energy and can be recharged, like a car battery or a rechargeable cell.
General term for a rechargeable battery or storage battery. Used in technical and everyday contexts.
This accumulator lasts a long time.
Common loanword for 'battery', often used for car batteries or portable power sources. Can refer to both primary and secondary batteries, but context usually clarifies.
The car's accumulator died.
Technical term for 'secondary battery' or 'rechargeable battery', contrasting with primary (non-rechargeable) batteries. Used in engineering contexts.
Lithium-ion accumulators are widely used.
In computing, a register that accumulates results of arithmetic operations.
Direct loanword from English, standard in computer architecture contexts.
The result of the calculation is stored in the accumulator.
Japanese term for 'accumulator' in computing, literally 'accumulation device'. Less common than the loanword.
This CPU's accumulator is 8-bit.
A device that stores energy by compressing a fluid or gas, used in hydraulic systems.
In gambling, a single bet that links together multiple individual wagers, where all must win for the bet to pay out.
In everyday English, 'accumulator' is rarely used outside technical fields. If you mean a rechargeable battery, use 蓄電池 or バッテリー. The loanword アキュムレータ is only for computing or engineering.
Please check the capacity of the accumulator.