micrometer

名词 n.
/maɪˈkɹɒmɪtə/    /maɪˈkɹɑmɪtəɹ/|[maɪˈkɹɑmɪɾɚ]

英文释义

名词 n.
  1. A device used to measure distance very precisely but within a limited range, especially depth, thickness, and diameter.
  2. US spelling of micrometre (“one-millionth of a metre”). US,alt-of
    — A strain is usually expressed in μm/m (micrometer per meter), also known as microstrain, which has the symbol µε. You may also see “mV/V,” which refers to the output in millivolts per volt of excitation.

词形变化

micrometers plural micrometers plural

词源

词源 1
From French micromètre, equivalent to micro- + -meter.
词源 2
Etymology tree
Proto-Indo-European *mey-der.?
Ancient Greek μικρός (mikrós)der.
English micro-
English meter
English micrometer
From micro- (“one millionth”) + meter.
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