Definition of mitigant in US English:

mitigant

noun

  • A mitigating agent or influence; something that alleviates, soothes, or tempers.

Origin

Mid 16th century (in an earlier sense). From Middle French mitigant from classical Latin mītigant-, mītigāns, present participle of mītigāre.

Pronunciation

mitigant

/ˈmɪtɪɡ(ə)nt/