mne·mon·ic 
/nɪˈmɑ:nɪk/ noun
plural mne·mon·ics /nɪˈmɑ:nɪk/ noun [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)
▪ HOMES is used as a mnemonic for the names of the Great Lakes: Huron, Ontario, Michigan, Erie, and Superior.
▪ HOMES is used as a mnemonic for the names of the Great Lakes: Huron, Ontario, Michigan, Erie, and Superior.
— mnemonic adjective
▪ a mnemonic device
▪ a mnemonic device
