Stationery is a mass noun referring to commercially manufactured writing materials, including cut paper, envelopes, writing implements, continuous form paper, and other office supplies. Stationery includes materials to be written on by hand (e.g., letter paper) or by equipment such as computer printers.
writing materials, envelopes, office materials
“When school finished, he threw all of his stationery away, as he no longer had any need for pencils and exercise books.”
misspelling of stationary
“The train remained stationary for a few moments, before lurching forward along the track.”
incapable of being moved
One who, or that which, is stationary, such as a planet when apparently it has neither progressive nor retrograde motion.
misspelling of stationery
writing and other office materials
“a range of stationery”
“a stationery supplier”
not moving or not intended to be moved
“a car collided with a stationary vehicle”
(of a planet) having no apparent motion in longitude.
not changing in quantity or condition
“a stationary population”