Definition of Attenuated

Babylon English
attenuated
adj. made thin; tapered; reduced; weakened

attenuate
v. become thin or less; diminish in intensity, decrease, reduce severity

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Attenuated definition was found in categories: Language, Idioms & Slang(3)  Medicine(4)  Entertainment & Music(1)  Encyclopedia(1)  

Attenuated Definition from Language, Idioms & Slang Dictionaries & Glossaries

Webster's Revised Unabridged Dictionary (1913)
Attenuated
(imp. & p. p.)
of Attenuate
  
(a.)
Made thin or slender.
  
(a.)
Made thin or less viscid; rarefied.
  

WordNet 2.0
attenuated

Adjective
1. of an electrical signal; reduced in amplitude with little or no distortion
(similar) decreased, reduced
(classification) electronics
2. reduced in strength; "the faded tones of an old recording"
(synonym) attenuate, faded, weakened
(similar) decreased, reduced


attenuate

Verb
1. weaken the consistency of (a chemical substance)
(synonym) rarefy
(hypernym) weaken
(derivation) attenuation
(classification) chemistry, chemical science
2. become weaker, in strength, value, or magnitude
(hypernym) weaken
(hyponym) refine
(derivation) attenuation, fading

Adjective
1. reduced in strength; "the faded tones of an old recording"
(synonym) attenuated, faded, weakened
(similar) decreased, reduced

hEnglish - advanced version
attenuated

attenuated
adj
1. (electronics) of an electrical signal; reduced in amplitude with little or no distortion
2. reduced in strength; "the faded tones of an old recording" [syn: attenuate, faded, weakened]





Attenuated Definition from Medicine Dictionaries & Glossaries

NCI Dictionary of Cancer Terms
attenuated
Weakened or thinned. Attenuated strains of disease-causing bacteria and viruses are often used as vaccines. The weakened strains are used as vaccines because they stimulate a protective immune response while causing no disease or only mild disease in the person receiving the vaccine.  

Aids Glossary
attenuated
adj. weakened, made less virulent. An attenuated virus is a virus that is still alive but incapable of causing harm.

Glossary of HIV/AIDS-Related Terms
ATTENUATED
Weakened or decreased. For example, an attenuated virus can no longer produce disease but might be used to produce a vaccine.

HIV Vaccine Glossary
attenuated
weakened. Attenuated viruses are often used as vaccines because they can no longer produce disease but still stimulate a strong immune response, like that to the natural virus. Examples of attenuated virus vaccines include oral polio, measles, mumps, and rubella vaccines.


Attenuated Definition from Entertainment & Music Dictionaries & Glossaries

Guitar Glossary
Attenuate
To reduce the level of a signal.


Attenuated Definition from Encyclopedia Dictionaries & Glossaries

Wikipedia English - The Free Encyclopedia
Attenuated virus
"Attenuated" redirects here. For the bacterial use of the term, see Attenuator (genetics)

The verb "attenuate" means "to become weak."

Attenuation in virology is reducing the virulence of a virus, whilst keeping it viable (or 'live'), for the purpose of creating a vaccine. It is the counterpart of the vaccines produced by 'killing' the virus (inactivated vaccine)


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