Definition of microscopic adjective from the Oxford Advanced American Dictionary

     

    microscopic

     adjective
    adjective
    NAmE//ˌmaɪkrəˈskɑpɪk//
     
     
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  1. 1 [usually before noun] extremely small and difficult or impossible to see without a microscope a microscopic creature/particle (humorous) The restaurant was very fancy, but the portions were microscopic!
  2. 2[only before noun] using a microscope a microscopic analysis/examination
microscopically
 
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NAmE//ˌmaɪkrəˈskɑpɪkli//
 
adverb microscopically small creatures All samples are examined microscopically.
See the Oxford Advanced Learner's Dictionary entry: microscopic