Definition of stationary in English:

stationary

adjective

  • 1Not moving or not intended to be moved:

    ‘a car collided with a stationary vehicle’
    • ‘The weapon system is stabilised in two axes, which allows the vehicle to engage targets stationary or on the move.’
    • ‘Soldiers are taught to acquire and engage targets from stationary positions, on the move, to the flank, and from a variety of ranges both during the day and at night.’
    • ‘Armed with Hellfire missiles, Predators became hunters and destroyed stationary and moving targets.’
    • ‘The course mostly dealt with giving and taking commands, as well as keeping in formation, and obviously shooting moving and stationary targets.’
    • ‘So, it is not good sense to interpret the state of an electron in a stationary orbital as perpetual motion.’
    • ‘For example, patients may be encouraged to move the treadmill or stationary cycle in front of the television, or consider having a low step-aerobics box in the kitchen.’
    • ‘He stood stationary and the antenna moved, pointing to the ammunition, in plain view of everyone.’
    • ‘It can engage targets while stationary and on the move, using missiles for long-range targets and guns for close-in defence.’
    • ‘The camera is stationary, the line moves forward, and we see, in each of his farewells, the nature of his relationship with that man.’
    • ‘A typical toy usually combines stationary and moving staircases; the latter moves periodically up and down.’
    • ‘Alongside the moving tram queues are stationary traffic queues.’
    • ‘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 system gives 3D target location and tracking of stationary and moving targets.’
    • ‘The whole place was stationary with nothing moving at all.’
    • ‘I enjoyed driving it, I love the smooth way you go from stationary to moving - it's like a locomotive.’
    • ‘For those new to biceps training, your elbows should remain stationary while your hands move upward toward the shoulders.’
    • ‘We were basically working on electromagnetic radiation, wherein we were trying to form waves with a rope tied to a stationary object and were moving our arms up and down rapidly.’
    • ‘They'd rounded a wide corner and hopped off the moving sidewalk to a stationary platform facing a huge window.’
    • ‘All targets were farther away than 1800 meters, with most of them between 2500 and 3750 meters, both moving and stationary.’
    • ‘They were crossing two lanes of stationary or slow moving traffic to get to the Springbok wine bar.’
    motionless, parked, halted, stopped, immobilized, immobile, unmoving, still, static, stock-still, at a standstill, at rest, not moving
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    1. 1.1Astronomy (of a planet) having no apparent motion in longitude.
      • ‘As the Earth rotates on its axis from west to east, it appears from our apparently stationary viewpoint that the stars rise in the east, culminate on the upper meridian and set in the west.’
      • ‘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.’
      • ‘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.’
    2. 1.2 Not changing in quantity or condition:
      ‘a stationary population’
      • ‘When the solution is placed as a thin film under stationary conditions, concentric or spiral wave patterns develop in the solution.’
      • ‘If you were on a ship next to another ship and one of the ships started moving away from the stationary ship.’
      • ‘The 48-hr transfer cycle ensured that the slower-growing non-BHK populations attained stationary densities.’
      • ‘Under stationary growth conditions the level of σ increases from almost undetectable levels to about one third the amount of σ.’
      • ‘All strains were cultured under dark, stationary conditions at 37° in standard Petri dishes.’
      • ‘The economics of a stationary or declining population need be no more painful than those of an expanding one.’
      • ‘These estimates are lower than that required for our population to remain stationary.’
      • ‘Under normal conditions, the population would not have remained stationary but grown.’
      • ‘As an econometrician I have my doubts about the ratio of a non-stationary quantity and a stationary one.’
      • ‘For instance, fertility inheritance in a stationary population will, in some aspects, affect the coalescent tree in a similar way as population growth.’
      • ‘Under the neutral model, and have equal expectations in a stationary population.’
      • ‘Finally, step trials were compared with the stationary target conditions, using the final target location as the basis for comparison.’
      • ‘It is based on the probability of having a number of alleles greater or equal to the observed number in sample drawn from a stationary population.’
      • ‘The mutation rate was the same as that considered for the stationary populations.’
      • ‘As a consequence, Prague has continued to grow steadily even though the national population is virtually stationary.’
      • ‘‘In India the problem is more the standing / stationary condition of the temple elephants,’ says Chiran.’
      • ‘In part, this is due to prevention campaigns and better compliance with drug regimens (it's easier to supervise a stationary population).’
      • ‘When it was assumed that these mutations were neutral, their frequency was higher under shaken than under stationary conditions, possibly due to oxygen stress.’
      unchanging, unvarying, invariable, constant, consistent, uniform, unchanged, changeless, fixed, stable, steady, undeviating
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Usage

The words stationary and stationery are often confused. Stationary is an adjective which means ‘not moving or not intended to be moved’, as in a car collided with a stationary vehicle, whereas stationery is a noun which means ‘writing and other office materials’, as in I wrote to my father on the hotel stationery

Origin

Late Middle English: from Latin stationarius (originally in the sense ‘belonging to a military station’), from statio(n-) standing (see station).

Pronunciation:

stationary

/ˈsteɪʃ(ə)n(ə)ri/