aperture card

noun

: a punched card for data processing in which one or more frames of a microfilmed document are mounted

Word History

First Known Use

1959, in the meaning defined above

Time Traveler
The first known use of aperture card was in 1959

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Dictionary Entries Near aperture card

aperture

aperture card

apertured

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Cite this Entry

“Aperture card.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aperture%20card. Accessed 29 Nov. 2023.

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