stationary : Idioms & Phrases
Stationary air
(Physiol.) , the air which under ordinary circumstances does not leave the lungs in respiration.
Webster 1913
Stationary engine
- .
(a) A steam engine thet is permanently placed, in distinction from a portable engine, locomotive, marine engine, etc. Specifically:(b) A factory engine, in distinction from a blowing, pumping, or other kind of engine which is also permanently placed.
Webster 1913
stationary stochastic process
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noun a stochastic process in which the distribution of the random variables is the same for any value of the variable parameter
WordNet
stationary wave
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noun a wave (as a sound wave in a chamber or an electromagnetic wave in a transmission line) in which the ratio of its instantaneous amplitude at one point to that at any other point does not vary with time
standing wave.