Definition of mildening in English:

mildening

noun

rare
  • The action or process of making mild or milder; stilling, calming; lessening.

Origin

Mid 17th century. From milden + -ing.

Pronunciation

mildening

/ˈmʌɪld(ə)nɪŋ//ˈmʌɪld(ə)nɪŋ/