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Word Entries at Get Words containing the term: “proper
proper fraction
A fraction in which the numerator is smaller than the denominator.
This entry is located in the following unit: Measurements and Mathematics Terms (page 8)
proper motion
The movement of a star in the celestial sphere which is more noticeable in near stars than in distant stars; in practice, the movement of the latter is negligible.
This entry is located in the following unit: Astronomy and related astronomical terms (page 20)