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1. Of a metal, the condition of having formed a protective oxide coating; for example, rustless metals and aluminum become passive in air.
2. In dentistry, the quality or condition of inactivity or rest assumed by the teeth, tissues, and denture when a removable partial denture is in place but not under masticatory pressure.
Farlex Partner Medical Dictionary © Farlex 2012


In dentistry, quality or condition of inactivity or rest assumed by the teeth, tissues, and denture when a removable partial denture is in place but is not under masticatory pressure.
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about passivity

Q. what is a passive smoking? and is it dangerous as an active?

A. Passive smoking is the exposure to cigarettes smoke emitted from cigarettes smoke by other person. It's dangerous and may increase the risk to several diseases similar to active smoking (one's exposure to smoke emitted from the cigarettes he or she is smoking) although the risk is of lower magnitude. Example for passive smoking is children of smokers etc.

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Q. what is it a passive smoking? and is it bad as as the active smoking? can i get cancer from it?

A. Passive smoking is the involuntary exposure of nonsmokers to tobacco smoke from the smoking of others. It is considered dangerous, and cause increased risk of cancer, although to a lesser degree than active smoking.

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Q. Can I get lung cancer from passive smoking? All my friends smoke, can I get cancer by hanging out with them?

A. Yes, you can develop cancer by passive smoking. From what I've heard, non-smokers exposed to second-hand smoke at home or work, increase their risk of developing lung cancer by 20 percent to 30 percent.

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References in periodicals archive ?
(iv) Define [mathematical expression not reproducible] as the relative passivity index of the transfer function [mathematical expression not reproducible] and [??](s) feeing the numerator and denominator polynomials of [??](s)).
(ii) If G : [L.sub.2e]([iR.sub.0+]; [C.sup.n]) [right arrow] [L.sub.2e]([iR.sub.0+]; [C.sup.n]) is self-adjoint then it is positive if and only if it is passive (i.e., positivity and passivity are equivalent concepts for self-adjoint operators).
The results indicated a significant positive relationship between the three components of self-perception including passivity, aggression and acting with test anxiety.
In this paper, we adopt a delay partitioning approach to study the passivity and passification of T-S fuzzy systems with time delay.
Kisner also argues in Chapter 7 that benevolence, for Spinoza, is based on love and that such a love can only arise from passivity, because love necessarily involves the recognition of an external cause of one's joy.
And I was here for a weekend of housewifely passivity.
His subjects belong to diverse age groups and social strata, but he feels, the attitude of passivity is similar to people across the world.
--determination of passivity range, trans passivity and pitting corrosion by setting out cyclic polarizing curves using potential and kinetic methods (cyclic voltmeter);
Is he suggesting that a symbol of a fire eating, mythical monster is a symbol of passivity?
to the dead what is death to them passivity is a force