Meaning of Nutation
Bangla: বলন, অক্ষবিচলন
शिखावर्तन, विदोलन, पृथ्वी की धुरी का दोलन
Unknown / অজানা / अज्ञात
an act or instance of nodding one's head, especially involuntarily or spasmodically.
Botany. spontaneous movements of plant parts during growth.
Astronomy. the periodic oscillation observed in the precession of the earth's axis and the precession of the equinoxes.
Mechanics. the variation of the inclination of the axis of a gyroscope to the vertical.
(astronomy) a periodic variation in the precession of the earth's axis causing the earth's poles to oscillate about their mean position