Stationary /(-ā̇*ry̆)/

Sta·tion·a·ry

Stationary

a.
  1. Not moving; not appearing to move; stable; fixed.
    Charles Wesley, who is a more stationary man, does not believe the story.
  2. Not improving or getting worse; not growing wiser, greater, better, more excellent, or the contrary.
  3. Appearing to be at rest, because moving in the line of vision; not progressive or retrograde, as a planet.

Phrases & Compounds
Stationary air
the air which under ordinary circumstances does not leave the lungs in respiration.
Stationary engine
A steam engine that is permanently placed, in distinction from a portable engine, locomotive, marine engine, etc.

Stationary

n.

pl. -ries ((-rĭz))

  1. One who, or that which, is stationary, as a planet when apparently it has neither progressive nor retrograde motion.