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[stuh-bil-i-tee] /stəˈbɪl ɪ ti/
noun, plural stabilities.
the state or quality of being stable.
firmness in position.
continuance without change; permanence.
Chemistry. resistance or the degree of resistance to chemical change or disintegration.
resistance to change, especially sudden change or deterioration:
The stability of the economy encourages investment.
steadfastness; constancy, as of character or purpose:
The job calls for a great deal of emotional stability.
Aeronautics. the ability of an aircraft to return to its original flying position when abruptly displaced.
Roman Catholic Church. a vow taken by a Benedictine monk, binding him to residence for life in the same monastery in which he made the vow.
Origin of stability
1400-50; < Latin stabilitās, equivalent to stabili(s) stable2 + -tās- -ty2; replacing late Middle English stablete < Old French < Latin, as above
Related forms
nonstability, noun
overstability, noun
self-stability, noun
6. steadiness, strength, soundness, poise, solidity, balance. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for stability
Contemporary Examples
Historical Examples
  • The stability of credit becomes the watchword of high finance.

    Success (Second Edition) Max Aitken Beaverbrook
  • And then I thought I perceived the reason why the spar maintained its stability so well.

    A Middy of the King Harry Collingwood
  • (Fig. 6); and although its stability was not perfect, it was an interesting machine—a forecast of the monoplane of the future.

    The Aeroplane Claude Grahame-White and Harry Harper
  • There is strength in bayonets, but what stability is there in the Ism which supports them?

  • No other man lends such steadiness and stability to our national life.

    The Fight For Conservation Gifford Pinchot
British Dictionary definitions for stability


noun (pl) -ties
the quality of being stable
the ability of an aircraft to resume its original flight path after inadvertent displacement
  1. the condition of an air or water mass characterized by no upward movement
  2. the degree of susceptibility of an air mass to disturbance by convection currents
(ecology) the ability of an ecosystem to resist change
(electrical engineering) the ability of an electrical circuit to cope with changes in the operational conditions
a vow taken by every Benedictine monk attaching him perpetually to the monastery where he is professed
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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Word Origin and History for stability

mid-14c., "firmness of resolve, mental equilibrium" (of persons), from Old French stableté, from Latin stabilitatem (nominative stabilitas) "firmness, steadfastness," from stabilis "steadfast, firm" (see stable (adj.)). In physical sense, "difficult to overthrow," it is recorded from early 15c.

Online Etymology Dictionary, © 2010 Douglas Harper
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stability in Medicine

stability sta·bil·i·ty (stə-bĭl'ĭ-tē)
The condition of being stable or resistant to change.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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