Definitions
from The Century Dictionary.
- Of or pertaining to the phenomenon of precession in general. See
precession , 4. - Pertaining to or resulting from the precession of the equinoxes: as, precessional force.
from the GNU version of the Collaborative International Dictionary of English.
- adjective Of or pertaining to pression.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Of or pertaining to
precession
Etymologies
Sorry, no etymologies found.
Examples
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Thus astronomers must have made great progress in their science before they could select as a day for counting from, the epoch when the slow reeling motion of the earth (the so-called precessional motion) brought the Pleiades centrally south, at noon, at the time of the vernal equinox.
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When these blades rotate they create large gyroscopic forces sometimes called precessional forces.
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In his Galactic Alignment theory, John Major Jenkins describes the coming 2012 event as the "precessional convergence of Milky Way and solstice sun."
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In his Galactic Alignment theory, John Major Jenkins describes the coming 2012 event as the "precessional convergence of Milky Way and solstice sun."
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The climate change in this period is generally believed to be associated with precessional changes in the distribution of solar radiation, which primarily affect land-sea temperature contrast, and give only a regional warming, plus an enhancement of certain monsoonal circulations.
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Laskar, J. et.al., "Orbital, precessional, and insolation quantities for the Earth from -20 MYR to +10 MYR"; Astron.
An Astronomical Perspective on Climate Change | Universe Today
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The interglacial thus lasts an additional precessional cycle, yielding a total duration of 28 kyr.
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I thought of the great precessional cycle that the pole of the earth describes.
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Consider how long it took Milankovitch to calculate variation of insolation every year for 600,000 years for every 5° of latitude due to orbit, tilt and precessional changes.
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I thought of the great precessional cycle that the pole of the earth describes.
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