Added 10 October 2026
mollifier
noun
noun Definition from Wiktionary (CC BY-SA). More about mollifier at Wordnik → Where our words come from →
- One who mollifies.
- An "approximation to the identity", a smooth function with special properties, used in distribution theory to create sequences of smooth functions approximating nonsmooth (generalized) functions, via convolution.
Origin
From mollify + -er.
From Wiktionary, via Kaikki.org (CC BY-SA)