attenuate

US /əˈten.ju.eɪt/
UK /əˈten.ju.eɪt/
"attenuate" picture
1.

reduce the force, effect, or value of something

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The vaccine helps to attenuate the severity of the disease.
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The sound waves attenuate as they travel through the air.
:
weakenreducelessendiminishdilute
2.

reduce the amplitude of (a signal, electric current, or other oscillation)

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The circuit is designed to attenuate the high-frequency noise.
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Fiber optic cables can attenuate light signals over long distances.
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dampendeadenmufflesoften
1.

(of a disease or a pathogenic agent) reduced in virulence

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The virus was attenuated in the lab to create a vaccine.
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Live attenuated vaccines contain a weakened form of the pathogen.
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weakeneddilutedreduced