platen

noun

plat·en | \ ˈpla-tᵊn

Definition of platen

1 : a flat plate especially : one that exerts or receives pressure (as in a printing press)

2 : the roller of a typewriter or printer

Recent Examples on the Web

The ceramic substrate, called a platen, will then be glued on with a thermally conductive adhesive. — David Grossman, Popular Mechanics, "The Robust Cooling System of a NASA Spacecraft Flying Into the Sun's Atmosphere," 27 June 2017

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