Librate

//ˈlaɪbɹeɪt// noun, verb

Definitions

Noun
  1. 1
    A piece of land having a value of one pound per year. historical
Verb
  1. 1
    To oscillate (like the beam of a balance). intransitive

    "The currently observed orbital resonances at the 2:1 mean motion commensurabilities involving Io-Europa and Europa-Ganymede are such that the resonance variables #92;theta#95;1#61;#92;lambda#95;1-2#92;lambda#95;2#43;#92;omega#95;1 and #92;theta#95;3#61;#92;lambda#95;2-2#92;lambda#95;3#43;#92;omega#95;2 librate about 0° and #92;theta#95;2#61;#92;lambda#95;1-2#92;lambda#95;2#43;#92;omega#95;2 librates about 180°, all with small amplitude."

  2. 2
    vibrate before coming to a total rest wordnet
  3. 3
    To be poised; to balance oneself. intransitive

    "Her playful Sea-horse […] His watery way with waving volutes wins, / Or listening librates on unmoving fins."

  4. 4
    determine the weight of wordnet
  5. 5
    To place in a balance; to weigh. obsolete, transitive

Etymology

Etymology 1

First attested in 1623; borrowed from Latin lībrātus, perfect passive participle of lībrō (see -ate (verb-forming suffix)), from lībra (“a balance”).

Etymology 2

From Medieval Latin lībrāta, from Latin lībra (“pound”).

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