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[en-gram] /ˈɛn græm/
a presumed encoding in neural tissue that provides a physical basis for the persistence of memory; a memory trace.
Also called trace.
Origin of engram
1905-10; en-2 + -gram1
Related forms
engrammic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for engram
Historical Examples
  • These two laws together represent in part a hypothesis (the engram), and in part an observable fact.

    The Analysis of Mind Bertrand Russell
  • Semon's "engram" is formed by all that we experience at one time.

    The Analysis of Mind Bertrand Russell
  • Similarly, the engram of the ecphoriated dichotomy is most often that which has been previously most often repeated.

    The Sexual Question August Forel
  • As we have indicated in our comparison, every suggestion which has succeeded leaves a strong trace, or engram, in the brain.

    The Sexual Question August Forel
British Dictionary definitions for engram


(psychol) the physical basis of an individual memory in the brain See also memory trace
Derived Forms
engrammic, engrammatic, adjective
Word Origin
C20: from German Engramm, from Greek en-in + gramma letter
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
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engram in Medicine

engram en·gram (ěn'grām')
A physical alteration thought to occur in living neural tissue in response to stimuli, posited as an explanation for memory. Also called neurogram.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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