nutatev.

Brit.

/njuːˈteɪt/, U.S.

/ˈn(j)uˌteɪt/

Origin: A borrowing from Latin. Etymons: Latin nūtāt-, nūtāre.

Etymology: < classical Latin nūtāt-, past participial stem (compare -ate suffix³) of nūtāre to nod (compare nutant adj.). Compare earlier nutation n. Compare also slightly earlier nutational adj.

intransitive. To undergo or exhibit nutation (in various senses).

ΘΚΠ

the world > plants > part of plant > growth, movement, or curvature of parts > grow, move, or curve [verb (intransitive)] > undergo nutation

nutate1880

circumnutate1881

the world > movement > motion in specific manner > revolution or rotation > revolve or rotate [verb (intransitive)] > spin > on or with axis in sloping position

precess1892

nutate1950

1880 C. Darwin & F. Darwin Power of Movement in Plants 99 He has shewn in the case of certain seedlings, whose tips are bent downwards (or which nutate), that [etc.].

1880 Proc. Royal Soc. 1879–80 30 3 In the ordinary mode of statement the proper plane is called the mean equator, and the true equator is described as nutating about the mean equator with a period of 19 years.

1898 S. H. Vines Elem. Text-bk. Bot. iii. 211 All growing members nutate in a more or less marked manner.

1921 J. Small Textbk. Bot. xvii. 221 In the mature plant the top three internodes of the stem turn or nutate in a circle.

1950 H. Goldstein Classical Mech. v. 168 It is not the regular precession encountered in force-free motion, for as the figure axis goes around it nods up and down..—the top nutates.

1969 R. Skinner Mech. iv. 469 The top continues to spin about its axis of symmetry, while this axis rotates, or precesses, about a vertical axis. All the while, this axis [of symmetry] nods up and down, or nutates, as it precesses.

1986 Science 5 Dec. 1198/1 The nucleus [of Halley's comet] could be nutating with a period as long as 7.4 days.

This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	nutate
释义	nutatev. Brit. /njuːˈteɪt/, U.S. /ˈn(j)uˌteɪt/ Origin: A borrowing from Latin. Etymons: Latin nūtāt-, nūtāre. Etymology: < classical Latin nūtāt-, past participial stem (compare -ate suffix³) of nūtāre to nod (compare nutant adj.). Compare earlier nutation n. Compare also slightly earlier nutational adj. intransitive. To undergo or exhibit nutation (in various senses). ΘΚΠ the world > plants > part of plant > growth, movement, or curvature of parts > grow, move, or curve [verb (intransitive)] > undergo nutation nutate1880 circumnutate1881 the world > movement > motion in specific manner > revolution or rotation > revolve or rotate [verb (intransitive)] > spin > on or with axis in sloping position precess1892 nutate1950 1880 C. Darwin & F. Darwin Power of Movement in Plants 99 He has shewn in the case of certain seedlings, whose tips are bent downwards (or which nutate), that [etc.]. 1880 Proc. Royal Soc. 1879–80 30 3 In the ordinary mode of statement the proper plane is called the mean equator, and the true equator is described as nutating about the mean equator with a period of 19 years. 1898 S. H. Vines Elem. Text-bk. Bot. iii. 211 All growing members nutate in a more or less marked manner. 1921 J. Small Textbk. Bot. xvii. 221 In the mature plant the top three internodes of the stem turn or nutate in a circle. 1950 H. Goldstein Classical Mech. v. 168 It is not the regular precession encountered in force-free motion, for as the figure axis goes around it nods up and down..—the top nutates. 1969 R. Skinner Mech. iv. 469 The top continues to spin about its axis of symmetry, while this axis rotates, or precesses, about a vertical axis. All the while, this axis [of symmetry] nods up and down, or nutates, as it precesses. 1986 Science 5 Dec. 1198/1 The nucleus [of Halley's comet] could be nutating with a period as long as 7.4 days. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < v.1880
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