Meaning of STATIONARY in English

STATIONARY

adj.1 remaining in one place, not moving (hit a stationary car).

2 not meant to be moved; not portable (stationary troops; stationary engine).

3 not changing in magnitude, number, quality, efficiency, etc. (stationary temperature).

4 (of a planet) having no apparent motion in longitude.

Phrases and idioms:

stationary air air remaining in the lungs during ordinary respiration. stationary bicycle a fixed exercise-machine resembling a bicycle. stationary point Math. a point on a curve where the gradient is zero. stationary wave standing wave.

Derivatives:

stationariness n.

Etymology: ME f. L stationarius (as STATION)

Oxford English vocab.      Оксфордский английский словарь.