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1. (n.) attenuation
the act of attenuating or the state of being attenuated.
2. attenuation
the process by which a virus, bacterium, etc., changes under laboratory conditions to become harmless or less virulent.
Etymology: (1585–95; (< MF) < L)
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| Definition of 'Attenuation' |
Princeton's WordNet |
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1. (noun) attenuation, fading
weakening in force or intensity
"attenuation in the volume of the sound"
2. (noun) attenuation
the property of something that has been weakened or reduced in thickness or density
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| Definition of 'Attenuation' |
Webster Dictionary |
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1. (noun) Attenuation
the act or process of making slender, or the state of being slender; emaciation
2. (noun) Attenuation
the act of attenuating; the act of making thin or less dense, or of rarefying, as fluids or gases
3. (noun) Attenuation
the process of weakening in intensity; diminution of virulence; as, the attenuation of virus
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| Definition of 'Attenuation' |
Dictionary of Military and Associated Terms |
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1. Attenuation
1. Decrease in intensity of a signal, beam, or wave as a result of absorption of energy and of scattering out of the path of a detector, but not including the reduction due to geometric spreading, i.e., the inverse square of distance effect. 2. In mine warfare, the reduction in intensity of an influence as distance from the source increases. 3. In camouflage and concealment, the process of making an object or surface less conspicuous by reducing its contrast to the surroundings and/or background. Also called tone down.
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Definitions of Attenuation 
