mnemonic

adj

1. (not-comparable)Especially of a series of ideas, letters, words, etc.: intended to help in remembering.
2. (not-comparable)Of or relating to mnemonics (“the study of techniques for remembering anything more easily”).
3. (not-comparable)Of or relating to memory.

noun

1. Something (especially a series of ideas, letters, words, etc.) used to help in remembering a thing; a memory aid.

   “Mr Avery was a great believer in mnemonics; he had one for every possible aspect of flying – which was as good a way as any for student pilots to familiarise themselves with their new environment, but unless used on a daily basis could also be dangerous, for there were so many of them.”

2. The human-readable, textual form of an assembly language instruction, not including operands.
3. (obsolete)Synonym of mnemonics (“the study of techniques for remembering anything more easily”).