Try Our Apps


Avoid these words. Seriously.

diurnal motion

noun, Astronomy.
the apparent daily motion, caused by the earth's rotation, of celestial bodies across the sky. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
Examples from the Web for diurnal motion
Historical Examples
British Dictionary definitions for diurnal motion

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
Cite This Source

Word of the Day

Nearby words for diurnal motion

Word Value for diurnal

Scrabble Words With Friends