mne‧mon‧ic /nɪˈmɒnɪk $ nɪˈmɑː-/
noun [countable][
Date: 1700-1800;
Language: Greek;
Origin: mnemonikos, from mimneskesthai 'to remember']
something such as a poem or a sentence that you use to help you remember a rule, a name etc
—mnemonic adjective [TahlilGaran] Dictionary of Contemporary English ▲