Main Entry: at·ten·u·ate

Pronunciation: \ə-ˈten-yə-ˌwāt\

Function: transitive verb

Inflected Form(s): at·ten·u·at·ed; at·ten·u·at·ing

: to reduce the severity of (a disease) or virulence or vitality of (a pathogenic agent) <a procedure to attenuate severe diabetes> <attenuated bacilli>