mnemonic
/nɪˈmɑːnɪk/
noun
plural
mnemonics
plural
mnemonics
Britannica Dictionary definition of MNEMONIC
[count]
:
something (such as a word, a sentence, or a song) that helps people remember something (such as a rule or a list of names)
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HOMES is used as a mnemonic for the names of the Great Lakes: Huron, Ontario, Michigan, Erie, and Superior.