magnetic ink character recognition: a technique for reading and processing data printed with ink that contains magnetic particles: used especially in sorting bank checks automatically.
Definition for micr (2 of 2)
a combining form with the meanings “small” (microcosm; microgamete), “very small in comparison with others of its kind” (microcassette; microlith), “too small to be seen by the unaided eye” (microfossil; microorganism), “dealing with extremely minute organisms, organic structures, or quantities of a substance” (microdissection; microscope), “localized, restricted in scope or area” (microburst; microhabitat), “(of a discipline) focusing on a restricted area” (microeconomics), “containing or dealing with texts that require enlargement to be read” (microfilm; microreader), “one millionth” (microgram).
Also especially before a vowel, micr-.
Origin of micro-
< Greek: combining form representing mīkrós small
Can be confusedmacro- micro-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for micr (1 of 2)
magnetic ink character recognition
British Dictionary definitions for micr (2 of 2)
small or minutemicrospore
involving the use of a microscopemicrography
indicating a method or instrument for dealing with small quantitiesmicrometer
(in pathology) indicating abnormal smallness or underdevelopmentmicrocephaly; microcyte Compare macro- (def. 2)
denoting 10 –6microsecond Symbol: μ
Word Origin for micro-
from Greek mikros small
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for micr
word-forming element meaning "small, microscopic; magnifying; one millionth," from Latinized comb. form of Greek mikros "small, little, petty, trivial, slight" (see mica).
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for micr
Requiring or involving microscopy:microsurgery.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for micr
A prefix that means: small (as in microorganism) or one millionth (as in microsecond).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.