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proper motion

['prɔpə'məuʃ(ə)n]
gen. Eigenbewegung f
 English thesaurus
Proper Motion ['prɔpə'məuʃ(ə)n]
sport., abbr. PM
Proper Motion
: 10 phrases in 3 subjects
Astronomy8
Biology1
Optics branch of physics1

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