Comprehensive
Dictionary Suite
Help
Help
Help
 
Advanced Dictionary      
Lookup History
precession of the equ...

precession of the equinoxes

 
pronunciation:
pr se shn v th e kwih nak sihz
part of speech: noun
definition: the earlier occurrence of the equinoxes in each sidereal year because of a slow variation in the rotation of the earth, caused by the gravitational pull of the sun and moon.