Definition of attenuate verb from the Oxford Advanced American Dictionary

 

attenuate

 verb
verb
NAmE//əˈtɛnyuˌeɪt//
 
attenuate something(formal)Verb Forms present simple I / you / we / they attenuate
 
he / she / it attenuates
 
past simple attenuated
 
-ing form attenuating
 
 
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to make something weaker or less effective The drug attenuates the effects of the virus.
attenuation
 
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NAmE//əˌtɛnyuˈeɪʃn//
 
noun [uncountable]
See the Oxford Advanced Learner's Dictionary entry: attenuate