Translation guide
A mechanical spring made by coiling wire. In Japanese, the most common term is コイルばね, but other expressions exist depending on context.
The learner wants to refer to a coil spring in a general mechanical or everyday context.
The standard Japanese term for a coil spring. Written in katakana for 'coil' and kanji for 'spring'.
この機械にはコイルばねが使われています。
This machine uses a coil spring.
A native Japanese term meaning 'spiral spring'. Less common than コイルばね but still understood.
I'm learning about the design of coil springs.
Direct loanword from English. Used in some technical or automotive contexts, but コイルばね is more natural.
The coil spring needs to be replaced.