a very smooth paper surface, created by a machine.
Decoding The PR MachineIf a PR rep is waving something shiny in their left hand, you might want to look to see what they're hiding in their right hand.
Also called mill finish.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for machine finish
His machine-finish smile indicated an enormous lack of interest in young men in Teal bugs.Free Air|Sinclair Lewis