diurnal motion
the apparent daily motion, caused by the earth's rotation, of celestial bodies across the sky.
Words Nearby diurnal motion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use diurnal motion in a sentence
The silence was broken only by the ticking of the clock-work which gave diurnal motion to the instrument.
Two on a Tower | Thomas HardyIf the earth then, had no other than its diurnal motion, we should have 366 days in the year.
Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained | Jane Haldimand Marcet and Thomas P. JonesThe diurnal motion of the earth was hardly suspected until a hundred years later.
Great Men and Famous Women. Vol. 5 of 8 | VariousHe found that this could be explained by a motion of the equinox in the direction of the apparent diurnal motion of the stars.
History of Astronomy | George ForbesThe moon also had three spheres to produce its motions in longitude and latitude, and its diurnal motion.
Astronomical Myths | John F. Blake
British Dictionary definitions for diurnal motion
motion that occurs during the day or daily, such as the diurnal rotation of the celestial sphere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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