attenuate


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at·ten·u·ate

(ă-ten'yū-āt),
To dilute, thin, reduce, weaken, diminish.
[L. at-tenuo, pp. -tenuatus, to make thin or weak, fr. tenuis, thin]
Farlex Partner Medical Dictionary © Farlex 2012

attenuate

(ə-tĕn′yo͞o-āt′)
v. attenu·ated, attenu·ating, attenu·ates
v.tr.
1. To reduce in force, value, amount, or degree; weaken: Medicine attenuated the fever's effect.
2. To lessen the density of; rarefy.
3. Biology To make (bacteria or viruses) less virulent.
4. Electronics To reduce (the amplitude of an electrical signal) with little or no distortion.
v.intr.
To become thin, weak, or fine.
adj. (-yo͞o-ĭt)
1. Reduced or weakened, as in strength, value, or virulence.
2. Botany Gradually tapering to a slender point.

at·ten′u·a′tion n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

at·ten·u·ate

(ă-ten'yū-āt)
To dilute, thin, reduce, weaken, diminish.
[L. at-tenuo, pp. -tenuatus, to make thin or weak, fr. tenuis, thin]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

attenuate

(of a leaf or plant structure) gradually tapering to a long slender point.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
[sup][6],[8] Here, this finding supported the notion that MSC might attenuate the PMN sequestration and NE release by suppressing the release of early-stage proinflammatory cytokines (such as TNF-a and IL-6) and PMN chemotactic factor (MIP-2).
An alternative could be doing a standard Radon demultiple before prestack migration to facilitate the choice of the migration velocities, and 3D Radon demultiple on the ADCIGs to attenuate residual multiples, in particular diffracted multiples.
Attenuate could be produced in larger sheets, and as thin as 1/16".
Antioxidants attenuate gentamicin-induced free radical formation in Vitro and ototoxicity in vivo: D-methionine is a potential protectant.
Cardiovascular drift is attributed to the competition for blood flow between the working muscles and skin, as well as the decreasing plasma levels during dehydration; however, research has documented that sufficient fluid replacement attenuates cardiovascular drift (3).
These results suggest the presence of additional viral genes besides NS1 that attenuate IFN[alpha]/[beta] production during viral infection and that become inactivated by UV.
Although we propose hypercorticism and reduced oxidative stress to be two separate plausible mechanisms by which feed restriction might attenuate immune and inflammatory responses, their cellular and molecular interactions are, in fact, closely related.
"The question is, if you continue to attenuate [the virus], do you really have a vaccine, or is the virus too weak?" asks Ruth I.
Dietary antioxidants may attenuate oxidative damage from strenuous exercise in various tissues.
To search for that missing link, Stanislav Djorgovski and his colleagues at the California Institute of Technology in Pasadena have now examined eight radio galaxies in the infrared -- a wavelength band which dust cannot attenuate as completely as visible light.