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Meaning of ATTENUATION

Pronunciation:  u`tenyoo'eyshun

 
WordNet Dictionary
 
 Definition: 
  1. [n]  the property of something that has been weakened or reduced in thickness or density
  2. [n]  weakening in force or intensity; "attenuation in the volume of the sound"
 

ATTENUATION is a 11 letter word that starts with A.

 

 Synonyms: fading
 
 See Also: weakening, weakness

 

 

Webster's 1913 Dictionary
 
 Definition: 
\At*ten`u*a"tion\, n. [L. attenuatio: cf. F.
att['e]nuation.]
1. The act or process of making slender, or the state of
   being slender; emaciation.

2. The act of attenuating; the act of making thin or less
   dense, or of rarefying, as fluids or gases.

3. The process of weakening in intensity; diminution of
   virulence; as, the attenuation of virus.

 
Biology Dictionary
 
 Definition: 
  1. A decrease in the ability of a pathogen (like a virus or disease-causing bacteria) to cause disease.
  2. The ability of a bacterium to regulate the amount of an amino acid it makes based on how much is already present, whereby excess amounts of the amino acid will turn off symthesis of itself.
 

 

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