Translation guide
The English word 'accelerator' can refer to a device that increases speed, a particle accelerator, or a substance that speeds up a chemical reaction. This guide covers how to express these concepts naturally in Japanese.
The pedal in a vehicle that makes it go faster.
The most common word for the accelerator pedal in a car. Derived from 'accelerator'.
アクセルを踏んでください。
Please step on the accelerator.
アクセルが重い。
The accelerator is stiff.
Explicitly 'accelerator pedal', used when clarity is needed.
アクセルペダルから足を離してください。
Take your foot off the accelerator pedal.
A machine that accelerates charged particles to high speeds.
The standard term for a particle accelerator in physics.
この加速器は陽子を光速近くまで加速する。
This accelerator speeds up protons to near the speed of light.
More specific: 'particle accelerator'. Used in scientific contexts.
CERNの粒子加速器は世界最大です。
CERN's particle accelerator is the largest in the world.
A substance that speeds up a chemical reaction.
General term for a substance that promotes or accelerates a reaction.
この反応には促進剤が必要です。
This reaction requires an accelerator.
Catalyst. Often used interchangeably with accelerator in chemistry, though technically a catalyst is not consumed.
Anything that makes a process happen faster.
A factor that promotes or accelerates something. Formal.
技術革新は経済成長の促進要因だ。
Technological innovation is an accelerator of economic growth.
Literally 'something that accelerates'. A flexible phrase.
この政策は変化を加速させるものだ。
This policy is an accelerator of change.
アクセル is only for the vehicle pedal. For particle accelerators or chemical accelerators, use 加速器 or 促進剤.
粒子加速器はアクセルではありません。
A particle accelerator is not an アクセル.
触媒を加えると反応が速くなる。
Adding a catalyst speeds up the reaction.