Apparent Time

Science / Tides and Currents / Apparent Time: Time based upon the true position of the Sun as distinguished from mean time, which is measured by a fictitious Sun moving at a uniform rate. Apparent time is that shown by the sundial, and its noon is the time when the Sun crosses the meridian. The difference between apparent time and mean time is known as the equation of time. Although quite common many years ago, apparent time is seldom used now.
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Other Words for Apparent

Apparent Adjective Synonyms: evident, plain, clear, obvious, patent, unmistakable, conspicuous, marked, manifest, visible, discernible
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Other Words for Time

Time Noun Synonyms: period, interval, stretch, spell, patch
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Solar Time

Science / Tides and Currents / Solar Time: Time measured by the hour angle of the Sun. It is called apparent time when referred to the actual Sun and mean time when referred to the mean Sun. It is also classified as local, standard, or Greenwi MORE

Stability-Time Hypothesis

Science / Marine Biology / Stability-Time Hypothesis: Hypothesis that states that higher diversity occurs in habitats that are ancient and stable environmentally MORE

Standard Time

Science / Tides and Currents / Standard Time: A kind of time based upon the transit of the Sun over a certain specified meridian, called the time meridian, and adopted for use over a considerable area. With a few exceptions, standard time is base MORE