ultramicrometer

/uhl-truh-mahy-krom-i-ter/US // ˌʌl trə maɪˈkrɒm ɪ tər //UK // (ˌʌltrəmaɪˈkrɒmɪtə) //

超微测量仪,超微测仪,超微测绘仪,超微计

Definitions

n.名词 noun

1
- : a micrometer calibrated to a very fine scale and capable of measuring extremely small magnitudes.