Main Entry: ²mod·er·ate

Pronunciation: \ˈmäd-ə-ˌrāt\

Function: transitive verb

Inflected Form(s): mod·er·at·ed; mod·er·at·ing

: to reduce the speed or energy of (neutrons)

—mod·er·a·tion \ˌmäd-ə-ˈrā-shən\ noun