(photography, historical) A style of photograph widely used for portraiture in the late 19th century, mounted on a card typically measuring 108 by 165 mm (4 1⁄4 by 6 1⁄2 inches).

(electronics, telecommunications) A modular electronic circuit designed to fit on a separate PCB and interface with a telecommunications access network.

plural of card reader

plural of card-sharp

A contactless smart card, used by Chicago Transit Authority (CTA), an operator of mass transit in Chicago. A Ventra card can be loaded with either money or a ride pass, good for unlimited rides (e.g. a 30-day pass).

Alternative form of cardsharp

(nautical) A sailor's chart showing from the direction of the wind the ship's position in relation to the eye of a storm, and accordingly the proper course to be taken.

(film) An intertitle. / A card bearing the title of a publication, used for filing purposes in a library etc.

A piece of cardboard on which samples of cloth are fixed.

A relatively thick, stiff filter paper / A similar card used to hold biological liquid samples