Nutation

Definition of Nutation

Nu`ta´tion

n.	1.	The act of nodding. So from the midmost the nutation spreads, Round and more round, o'er all the sea of heads. - Pope.
	2.	(Astron.) A very small libratory motion of the earth's axis, by which its inclination to the plane of the ecliptic is constantly varying by a small amount.
	3.	(Bot.) The motion of a flower in following the apparent movement of the sun, from the east in the morning to the west in the evening.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z