libration

[ lahy-brey-shuhn ]

/ laɪˈbreɪ ʃən /

noun Astronomy.

a real or apparent oscillatory motion, especially of the moon.

Origin of libration

1595–1605; <Latin lībrātiōn- (stem of lībrātiō) a balancing. See librate, -ion

OTHER WORDS FROM libration

li·bra·tion·al, adjective

Words nearby libration

library paste, library science, library steps, library table, librate, libration, libratory, librettist, libretto, Libreville, libri

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for libration

For other worlds, we usually have to rely on other data: fluctuations in gravity, or the gentle rocking motion known as libration.
Saturn’s Death Star Look-Alike|Matthew R. Francis|October 19, 2014|DAILY BEAST
The authors of the new study used data from the Cassini probe orbiting Saturn to measure the libration of Mimas.
Saturn’s Death Star Look-Alike|Matthew R. Francis|October 19, 2014|DAILY BEAST
The one on the left illustrates the manner in which the libration in longitude is made apparent.
Scientific American Supplement, No. 447, July 26, 1884|Various
A list of some of the principal astronomical researches of Lagrange and Laplace:—Libration of the moon.
Pioneers of Science|Oliver Lodge

The admirable memoir of Lagrange upon the libration of the moon seemed to have exhausted the subject.
Biographies of Distinguished Scientific Men|Francois Arago
We'd show enough, however, to make it damned impressive, and explain it by libration of the satellite.
Question of Comfort|Les Collins
The last of Galileo's great astronomical discoveries related to the libration of the moon.
Great Astronomers|R. S. Ball

British Dictionary definitions for libration

libration

/ (laɪˈbreɪʃən) /

noun

the act or an instance of oscillating

a real or apparent oscillation of the moon enabling approximately 59 per cent of the surface to be visible from the earth over a period of time

Derived forms of libration

librational, adjective

Word Origin for libration

C17: from Latin librātus, from librāre to balance

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	libration
释义	libration [ lahy-brey-shuhn ] / laɪˈbreɪ ʃən / noun Astronomy. a real or apparent oscillatory motion, especially of the moon. Origin of libration 1595–1605; <Latin lībrātiōn- (stem of lībrātiō) a balancing. See librate, -ion OTHER WORDS FROM libration li·bra·tion·al, adjective Words nearby libration library paste, library science, library steps, library table, librate, libration, libratory, librettist, libretto, Libreville, libri Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for libration For other worlds, we usually have to rely on other data: fluctuations in gravity, or the gentle rocking motion known as libration. Saturn’s Death Star Look-Alike\|Matthew R. Francis\|October 19, 2014\|DAILY BEAST The authors of the new study used data from the Cassini probe orbiting Saturn to measure the libration of Mimas. Saturn’s Death Star Look-Alike\|Matthew R. Francis\|October 19, 2014\|DAILY BEAST The one on the left illustrates the manner in which the libration in longitude is made apparent. Scientific American Supplement, No. 447, July 26, 1884\|Various A list of some of the principal astronomical researches of Lagrange and Laplace:—Libration of the moon. Pioneers of Science\|Oliver Lodge The admirable memoir of Lagrange upon the libration of the moon seemed to have exhausted the subject. Biographies of Distinguished Scientific Men\|Francois Arago We'd show enough, however, to make it damned impressive, and explain it by libration of the satellite. Question of Comfort\|Les Collins The last of Galileo's great astronomical discoveries related to the libration of the moon. Great Astronomers\|R. S. Ball British Dictionary definitions for libration libration / (laɪˈbreɪʃən) / noun the act or an instance of oscillating a real or apparent oscillation of the moon enabling approximately 59 per cent of the surface to be visible from the earth over a period of time Derived forms of libration librational, adjective Word Origin for libration C17: from Latin librātus, from librāre to balance Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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