equilibrityn.
/iːkwɪˈlɪbrɪti/ The state or condition of being equally balanced; equilibrium.
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the world > relative properties > relationship > equality or equivalence > [noun] > equilibrium
evennessa1398
peisea1400
equal (also even) poise1555
counterpoise1594
libration1603
equal, even scale1604
equilibre1621
poise1621
poisurea1625
balance1642
equilibrity1644
equilibrium1660
equipoise1661
equipoisure1683
equiponderancy1710
equiponderance1775
repose1805
equibalance1841
stasis1920
1644 K. Digby Two Treat. i. xix. 168 The weight of the other side..drew it the other way, and in this manner kept it in equilibrity.
1721–1800 in N. Bailey Universal Etymol. Eng. Dict.
1847 in J. Craig New Universal Dict. ; and in mod. Dicts.
This entry has not yet been fully updated (first published 1891; most recently modified version published online September 2018).
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n.1644