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Definition of Background level
1. Noun. The amplitude level of the undesired background noise.
Medical Definition of Background level
1. The average amount of a substance present in the environment. Originally referring to naturally occurring phenomena. Used in toxic substance monitoring. (05 Dec 1998)
Lexicographical Neighbors of Background Level
Literary usage of Background level
Below you will find example usage of this term as found in modern and/or classical literature:
1. Reviews in Environmental Health (1998): Toxicological Defense Mechanics edited by Gary E. R. Hook, George W. Lucier (2000)
"Perturbations of that background level could cause GJIC- mediated regulation of
cell proliferation, differentiation, apoptosis, and adaptive responses of ..."
2. Niosh Manual of Analytical Methods: Sampling and Analytical Methods for ...edited by Peter M. Eller edited by Peter M. Eller (1994)
"... if the background level is high, make several injections of acetonitrile
through the sample loop to lower the background level. NOTE: Filter all samples ..."
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