observation : Idioms & Phrases
Index
Lunar observation
- an observation of a lunar distance by means of a sextant or circle, with the altitudes of the bodies, and the time, for the purpose of computing the longitude.
Webster 1913
meteorological observation post
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noun one of a network of observation posts where meteorological data is recorded
weather station.
WordNet
observation dome
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noun lookout consisting of a dome-shaped observatory
WordNet
observation post
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noun an elevated post affording a wide view
lookout.
WordNet
observation station
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noun a station set up for making observations of something
WordNet
observation tower
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noun a structure commanding a wide view of its surroundings
lookout; lookout station; observatory.
WordNet
radio observation
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noun an observation made with a radio telescope
WordNet
through empirical observation
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adverb in an empirical manner
by trial and error; empirically.
- this can be empirically tested
WordNet
To take an observation
(Naut.) , to ascertain the altitude of a heavenly body, with a view to fixing a vessel's position at sea.
Webster 1913
Weight of observation
(Astron. & Physics) , a number expressing the most probable relative value of each observation in determining the result of a series of observations of the same kind.