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Definition of "micro-" []

  • Small: microcircuit. (prefix)
  • Abnormally small: microcephaly. (prefix)
  • Requiring or involving microscopy: microsurgery. (prefix)
  • One-millionth (10-6): microampere. (prefix)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "micro-" in a sentence
  • "There has always been varying levels of stress in the world on both the micro- and macro- scales, but I would venture to say that it may be occurring at several notches above the usual what has been historically known."
  • "The Numbers Guy Blog Radiation Numbers in Damaged Japan Plant Becquerels, grays and sieverts all are internationally accepted units that quantify different aspects of radiation, while micro- and nano- are prefixes denoting one-millionth and one-billionth, respectively."
  • "However, Member States would be required to take into account micro- and macroeconomic circumstances in their own markets."