noun
microvolt
A unit of electric potential equal to one millionth of a volt. Used in electronics and physics.
このセンサーは数マイクロボルトの信号を検出できます。
This sensor can detect signals of a few microvolts.
ミリボルト is one thousandth of a volt, larger than a microvolt.
From English 'microvolt', combining the SI prefix 'micro-' (one millionth) with 'volt', the unit of electric potential named after Alessandro Volta.