How to say "mach" in Japanese
Choosing the right word
- nounThe Mach number — a speed as a multiple of the speed of sound. This is the common word for that sense, turning up in aviation contexts such as reports on aircraft speed.
- ＭａｃｈマークnounRefers to the Mach kernel, an operating-system kernel; it is a specialized computing term. Unless you are writing about that particular kernel, this is seldom the word you want for 'mach'.
Use 「マッハ」 for the Mach number, a speed measured against the speed of sound; Ｍａｃｈ names the Mach operating-system kernel and is only for computing discussions of that system.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese equivalents
