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/əˈstɹɒmətɹi/ · noun
(astronomy) The branch of astronomy that deals with the measurement of the positions and motions of celestial bodies, particularly stars..
Use astrometry when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Astrometry means (astronomy) The branch of astronomy that deals with the measurement of the positions and motions of celestial bodies, particularly stars..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use astrometry where its definition matches the intended context.
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