- 1Not moving or not intended to be moved: a car collided with a stationary vehicleMore example sentences
- The line of sight stabilisation in elevation and azimuth provides high hit probability for stationary and on the move engagements against stationary and moving targets.
- The weapon system is stabilised in two axes, which allows the vehicle to engage targets stationary or on the move.
- The course mostly dealt with giving and taking commands, as well as keeping in formation, and obviously shooting moving and stationary targets.
- 1.1 Astronomy (Of a planet) having no apparent motion in longitude.More example sentences
- If the planet were stationary, the slow-down effect would be equal to the initial acceleration, so there would be no net gain in speed.
- After being retrograde since July, the planet appears stationary on the 30th and thereafter returns to normal west to east motion.
- Polaris, the North Star, appears stationary in the sky because it is positioned close to the line of Earth's axis projected into space.
- 1.2Not changing in quantity or condition: a stationary populationMore example sentences
- ‘In India the problem is more the standing / stationary condition of the temple elephants,’ says Chiran.
- When it was assumed that these mutations were neutral, their frequency was higher under shaken than under stationary conditions, possibly due to oxygen stress.
- When the solution is placed as a thin film under stationary conditions, concentric or spiral wave patterns develop in the solution.
late Middle English: from Latin stationarius (originally in the sense 'belonging to a military station'), from station- 'standing' (see station).
The words stationary and stationery are often confused. Stationary is an adjective that means ‘not moving or not intended to be moved,’ as in his car collided with a stationary vehicle , whereas stationery is a noun that means ‘writing and other office materials,’ as in I wrote to my father on the hotel stationery .