Stationary.html

Not to be confused with Stationery.

Stationary can mean:

Look up stationary in Wiktionary, the free dictionary.

Not moving (fixed in position, immobile, motionless, static, or at rest).
Unchanging (for instance in measure, mode, condition, character).
In statistics and probability: a stationary process.
In mathematics: a stationary point.
In mathematics: a stationary set.
In physics: a time-invariant quantity, such as a constant position or temperature.
In physics: a steady state physical process, such as a vibration at constant amplitude and frequency or a steady fluid flow.

The word or its spelling is sometimes confused with stationery, meaning paper or office supplies.

See also