[mahy-kruh-kyoo r-ee, mahy-kroh-kyoo-ree]
noun Physics, Chemistry.
  1. a unit of radioactivity, equal to one millionth of a curie; 3.70 × 104 disintegrations per second. Symbol: μCi, μc

Origin of microcurie

First recorded in 1910–15; micro- + curie
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

microcurie in Medicine


  1. A unit or quantity of radiation equivalent to one-millionth of a curie.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.