Definition of aperture card
: a punched card for data processing in which one or more frames of a microfilmed document are mounted
Test Your Vocabulary
Words Named After People
-
- Namesake of the leotard, Jules Léotard had what profession?

Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share aperture card
Time Traveler for aperture card
The first known use of aperture card was in 1959
See more words from the same year