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.
この蓄電池は長持ちします。
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.
車のバッテリーが上がってしまった。
The car's accumulator died.
Technical term for 'secondary battery' or 'rechargeable battery', contrasting with primary (non-rechargeable) batteries. Used in engineering contexts.
リチウムイオン二次電池は広く使われている。
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.
アキュムレータに計算結果が格納される。
The result of the calculation is stored in the accumulator.
Japanese term for 'accumulator' in computing, literally 'accumulation device'. Less common than the loanword.
このCPUの累算器は8ビットです。
This CPU's accumulator is 8-bit.
A device that stores energy by compressing a fluid or gas, used in hydraulic systems.
Same loanword as in computing, but used in mechanical engineering for hydraulic or pneumatic accumulators.
油圧アキュムレータが圧力を保持する。
The hydraulic accumulator maintains pressure.
Japanese term meaning 'pressure accumulator', used in engineering specifications.
蓄圧器の容量を確認してください。
Please check the capacity of the accumulator.
In gambling, a single bet that links together multiple individual wagers, where all must win for the bet to pay out.
Loanword used in betting contexts, sometimes with a long vowel. Also seen as アキュムレータ.
彼はサッカーのアキュムレーターで大金を稼いだ。
He won a lot of money on a football accumulator.
General term for 'multiple bet' or 'parlay', not specific to accumulator but covers the concept.
複式賭けはリスクが高い。
Accumulator bets are high risk.
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.