Dictionary.com

libration

[ lahy-brey-shuhn ]
/ laɪˈbreɪ ʃən /
Save This Word!

noun Astronomy.

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

QUIZZES

QUIZ YOURSELF ON PARENTHESES AND BRACKETS APLENTY!

Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!
Question 1 of 7
Let’s start with some etymology: What are the origins of the typographical word “bracket”?

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of libration

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

OTHER WORDS FROM libration

li·bra·tion·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for libration

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
Tired of Typos? Get Help Now!