index card
noun
a card, often relatively small, as 3 × 5 inches (7.6 × 12.7 centimeters), used in noting or recording information and usually filed in an index.
index cards
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pluralof index card.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“I think it has to,” said Newson, his talking points scribbled on yellow index cards still in his pocket from an earlier meeting.
From Los Angeles Times ● Nov. 12, 2025
A photo of his storied office bulletin board on which moveable, color-coded index cards of show sketches are easily re-arranged offers a glimpse of how this works.
From The Wall Street Journal ● Nov. 3, 2025
Iris takes an oddball approach to acclimating her students to French: She extracts personal confessions from them in English, then writes wildly extrapolated versions of the French on index cards.
From New York Times ● Nov. 21, 2024
In addition to being tunable, the new filter is also tiny -- about the same size as a quarter, in contrast to previous generations of YIG filters, which resembled large packs of index cards.
From Science Daily ● May 24, 2024
On the evening of March 31, 2003, about a hundred and twenty Clarkston residents filed into an auditorium at Georgia Perimeter College and began to write their questions on index cards.
From "Outcasts United: An American Town, a Refugee Team, and One Woman's Quest to Make a Difference" by Warren St. John
