micron

Definitions

Agriculture

  • noun a measurement of thickness, one millionth of a metre, used in measuring the fineness of hair or wool

Construction

  • A metric unit of measure equal to one-one millionth of a meter, commonly used in particle measurement. One micron is approximately 1/25,400 (0.00004) of an inch.

Electronics

Publishing

  • noun a metric measurement of the thickness of paper, one millionth of a metre.
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