nutation


nu·ta·tion

noun \nü-ˈtā-shən, nyü-\

Definition of NUTATION

1
archaic :  the act of nodding the head
2
:  oscillatory movement of the axis of a rotating body (as the earth) :  wobble
3
:  a spontaneous usually spiral movement of a growing plant part
nu·ta·tion·al \-shnəl, -shə-nəl\ adjective

Origin of NUTATION

Latin nutation-, nutatio, from nutare to nod, rock — more at numen
First Known Use: 1612

Browse

Next Word in the Dictionary: nut bone
Previous Word in the Dictionary: nutate
All Words Near: nutation

Seen & Heard

What made you want to look up nutation? Please tell us where you read or heard it (including the quote, if possible).