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an aide-mémoire

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an aide-mémoire

Notes or pictures that one uses to remember something. When I was studying for the test, I made an aide-mémoire of all the steps in photosynthesis.

an aide-mémoire

  (formal)

a piece of writing or a picture that helps you to remember something I write notes to myself and put them on the board. It serves as an aide-mémoire.