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Micrometer vs Millimeter - What's the difference?

micrometer | millimeter |

As nouns the difference between micrometer and millimeter

is that micrometer is an SI/MKS unit of measure, the length of one one-millionth of a meter. Symbols: µm, um, rm while millimeter is an alternative spelling of from=US|lang=en.

micrometer

English

Etymology 1

Alternative forms

* micrometre (UK)

Noun

(en noun)
  • An , um, rm
    • Synonyms
    * micron (obsolete)
    See also
    *

    Etymology 2

    From (etyl)

    Noun

    (en noun)
  • A device used to measure distance very precisely but within a limited range, especially depth, thickness, and diameter.
    • See also
    * * (commonslite)

    Anagrams

    * ----

    millimeter

    English

    Noun

    (en noun)

    • Anagrams

    * ----