تلفظ بین المللی : /wˈaɪthɛd tɔːpˈiːdəʊ/ تلفظ : [w'aIthEd to@p'i:doU]
English
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.) (a) The motion of a flower in following the apparent movement of the sun, from the east in the morning to the ...
