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| re·gres·sion [ ri grésh'n ] (plural re·gres·sions) |
noun |
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| Definition: |
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1. reversion to earlier state: a return to an earlier or less developed condition or way of behaving
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2. movement backward: a going backward or a backward movement or progress, especially through the earlier stages or forms of something
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3. psychology reversion to less mature state: reversion to an earlier, less mature, and less adaptive emotional or mental level, often involving the appearance of forms of behavior associated with childhood
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4. statistics association between variables: a process for determining the statistical relationship between a random variable and one or more independent variables that is used to predict the value of the random variable
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5. biology return to earlier physical type: the recurrence of an earlier, less complicated physical type among later generations of a population
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6. astronomy retrograde motion: the apparent backward motion of an astronomical object, caused by the differing orbital periods of Earth and the object being observed
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7. astronomy movement of Moon's orbit: the slow movement around the ecliptic of the two points where the Moon's orbit crosses it. A complete revolution happens once in about every 19 years.
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