English

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

 

micron

 noun
noun
BrE BrE//ˈmaɪkrɒn//
 
; NAmE NAmE//ˈmaɪkrɑːn//
 
(old-fashioned)
 
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= micrometre Word Origin late 19th cent.: from Greek mikron, neuter of mikros ‘small’.
See the Oxford Advanced American Dictionary entry: micron