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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

depletion

see ENVIRONMENTAL DEPLETION.
Collins Dictionary of Sociology, 3rd ed. © HarperCollins Publishers 2000
References in periodicals archive ?
In this study, we primarily focus on investigating the relationship between polar vortex and ozone depletion in the Antarctic stratosphere during the period 1979-2016.
Analyst Kaumil Gajrawala of UBS applauded the company's depletions growth, but said he looks for improvement in core brand trends.
For less than the cost of a bottle of a multi-vitamin supplement, my patients can really benefit by learning the potential side effects of their medications." Begert, discovered the benefits of the Nutrient Depletions app when his own physician alerted him to his low blood calcium levels.
An appropriate assessment of the reproducibility of albumin depletion data derived from SELDI-TOF MS is important because early studies using this technology were hampered by lack of standardization and reproducibility of protein profiling (20, 21).
These conditions can also result in a substantial reduction in the appetite of a cancer patient, which contributes to nutrient depletions. Many patients find it very difficult to eat when they are on the edge of nausea and fearful of another round of intense vomiting.
After the occurrence of seasonal soil water depletions ranging from 18 cm for sunflower to 7 cm for dry pea, soil under dry pea had 11 cm more water than that under sunflower in September 2000.
They measure the residual change in the value of reserves after correcting for additions and depletions.
The extremely cold Arctic temperatures this year contributed to ozone depletion by creating icy cloud particles in the stratosphere.
"Improving depletions are a key positive trend for the market, especially given the price increases that have been implemented in the market in Sepy/Oct," he wrote.
As the concentrations grow, ozone depletions should worsen.
"We achieved depletions growth of 7% in the third quarter, and total depletions grew to 8.5 million case equivalents," commented Jim Koch, chairman and founder of the Company.
These lower-stratosphere depletions began at the same time particles from the eruption of Chile's Hudson Volcano reached Antarctica.