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definitions

mnemonics

[ni-mon-iks]
noun (used with a singular verb)
  1. the process or technique of improving or developing the memory.

Origin of mnemonics

First recorded in 1700–10; see origin at mnemonic, -ics
Also called mne·mo·tech·nics [nee-moh-tek-niks] /ˌni moʊˈtɛk nɪks/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for mnemotechnics

mnemonics

noun (usually functioning as singular)
  1. the art or practice of improving or of aiding the memory
  2. a system of rules to aid the memory
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 mnemotechnics

mnemonics

n.

"art of developing memory," 1721; see mnemonic; also cf. -ics.

Online Etymology Dictionary, © 2010 Douglas Harper
mnemotechnics in Medicine

mnemonics

[nĭ-mŏn′ĭks]
n.
  1. A system to develop or improve the memory.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.