Translation guide
The Greek letter μ (mu) is used in English mainly in scientific and technical contexts. In Japanese, it is referred to by its Greek name or its technical usage.
Referring to the letter itself, its name, or its symbol.
The standard Japanese name for the Greek letter μ, borrowed from English/Greek.
この記号はミューです。
This symbol is mu.
The symbol itself is used in scientific contexts, read as ミュー.
μは摩擦係数を表します。
μ represents the coefficient of friction.
The metric prefix meaning one millionth (10^-6).
The standard Japanese prefix for micro-, used in units like micrometer (マイクロメートル).
この部品はマイクロメートル単位で測定されます。
This part is measured in micrometers.
The symbol μ is used as an abbreviation for micro- in technical writing, read as マイクロ.
1μmは1マイクロメートルです。
1μm is 1 micrometer.
The elementary particle called muon.
The standard term for muon in Japanese physics.
ミュー粒子は電子に似ていますが、質量が大きいです。
Muons are similar to electrons but have a larger mass.
Alternative loanword for muon, less common than ミュー粒子.
In Japanese scientific texts, the Greek letter μ is often used directly and read as ミュー or マイクロ depending on context. When speaking, clarify whether you mean the letter or the prefix.
The lifetime of a muon is about 2.2 microseconds.