Definition of passivity in English:



mass noun
  • 1Acceptance of what happens, without active response or resistance.

    ‘the perceived passivity of the populace is deceptive’
    ‘the passivity of television watching’
    • ‘It hardly needs to be said that children prefer action to passivity.’
    • ‘Unlike the culture it describes, the film encourages action over passivity.’
    • ‘Brought up to believe that women cannot control their own bodies, she continually alternates her silent passivity with unexpected moments of violence.’
    • ‘The theme throughout the book is presented through the allegory of corrupt pigs and the passivity of the other barnyard animals.’
    • ‘These lines play with the notion of human passivity.’
    • ‘His portrayal of Godfrey is a wonderment of reserve and benign passivity.’
    • ‘Both plays portray female characters unwilling to accept the female role of passivity.’
    • ‘Their deaths are spectacles of passivity in the face of an avenging passion that is beyond their emotional range.’
    • ‘He was enraged by the academy's passivity during the affair.’
    • ‘The characters talk about psychoanalysis, dream study, mind-altering drugs, and sexual affairs with an almost textbook distance and passivity.’
  • 2Chemistry
    The state of inactivity of a metal made unreactive by a thin inert surface layer of oxide.

    ‘nickel increases the overall passivity of the iron’
    • ‘Chromium imparts passivity of ferrous alloys when present in amounts of more than about 11 per cent, particularly if conditions are strongly oxidizing.’
    • ‘Passivity is caused by the buildup of a stable, tenacious layer of metal oxide on the surface of the metal.’
    • ‘In some cases, the film is extremely thin and may be invisible to the unaided eye, but it is still very effective in giving these metals a marked passivity.’
    • ‘Electronic barriers in the iron oxide film govern its passivity and redox behavior.’
    • ‘The addition of molybdenum extends the range of passivity in solutions of low oxidizing characteristics.’
    • ‘We find that the electronic energy barrier in the oxide and its dependence with electrode potential and solution pH, determine the reactivity and passivity of iron.’
    • ‘The present work is concerned with the effect of oxide chemistry on the passivity of aluminium surfaces.’
    • ‘The most common methods for validating the passivity of a part involves some combination of high humidity and heat, to induce rusting.’
    • ‘Metals that normally fall victim to corrosion will sometimes exhibit a passivity to corrosion.’
    • ‘The alternation of the oxide layer results in the loss of passivity.’