TOP

Definition of micrometer noun from the Oxford Advanced Learner's Dictionary

  1. (US English)
    (British English micrometre)
    (symbol μm)
    a unit for measuring length, equal to one millionth of a metre
  2.  
    /maɪˈkrɒmɪtə(r)/
     
    /maɪˈkrɑːmɪtər/
     a device used for measuring very small distances or spaces
See micrometer in the Oxford Advanced American Dictionary
Check pronunciation: micrometer

Other results

All matches

Nearby words

buttercup
noun
 
 
From the Topic
Plants and trees
C2
Oxford Learner's Dictionaries Word of the Day