From Longman Dictionary of Contemporary Englishflashcardflash‧card /ˈflæʃkɑːd $ -kɑːrd/ noun [countable] SEa card with a word or picture on it, used in teaching
Examples from the Corpus
flashcard• The research doesn't mean there is some set of flashcards that will help babies be brighter.• Keep the data on flashcards and put in your pocket to look at in spare moments. 