file card

American  

noun

1. a card of a size suitable for filing, typically 3 × 5 inches (7.62 × 12.7 centimeters) or 4 × 6 inches (10.16 × 15.24 centimeters).

---

Etymology

Origin of file card

First recorded in 1965–70

Example Sentences

Among other responsibilities, the CDU was tasked with creating a file card for every demonstrator it could identify at protests in Philadelphia.

From Slate

I had ordered it directly from the company that made the cards – Topps Chewing Gum Inc in Brooklyn – for around 15 cents, sending off a dime and a nickel taped to a file card.

From Reuters

Constituents would show up at her family’s door, needing favors from her dad, who kept a file card system of requests asked and answered, a first lesson in the value of chits.

From Seattle Times

Public libraries have long abandoned exclusive use of card catalogues, and the last company preparing new cards discontinued them in October 2015, but there are still countless historic public and private records in file card format that must be preserved, and damaged cards replaced.

From Scientific American

“It seemed to be a file card, with columns of eight- or 10-digit numbers,” Mr. Bozart said.

From New York Times