depletion

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depletion

[də′plē·shən]
(ecology)
Using a resource, such as water or timber, faster than it is replenished.
(electronics)
Reduction of the charge-carrier density in a semiconductor below the normal value for a given temperature and doping level.
(nucleonics)
The percentage reduction in the quantity of fissionable atoms in the fuel assemblies or fuel mixture that occurs during operation of a nuclear reactor.

depletion

see ENVIRONMENTAL DEPLETION.
References in periodicals archive ?
Beta blockers such as propranolol13 deplete the body of CoQ10 and melatonin.
ACE inhibitors such as lisinopril14 deplete the body of zinc and sodium.
There are legions of prescriptive medicines that deplete nutrients from the body.
CAMPATH is a humanized monoclonal antibody that binds to a specific target, CD52, on cell surfaces, leading the body's immune system to destroy malignant cells and deplete B- and T-cells that are instrumental in disease.
About Halon: Halon, a commonly used product in fire fighting, will be phased out by 2003 under the 'Montreal Protocol on Substances that Deplete the Ozone Layer'.
The chemical in the refrigeration system also depletes the ozone but they have found a substitute for that.
Balch comments on the numerous studies showing that smoking depletes the immune system of nutrients required to provide better health.