D defs.my
Entry 1 sense Webster, 1913

Purifier

/pyo͝or'-əf-īˌ-ẽr/ · Pu·ri·fi·er · IPA /pjˈʊrəfˌaɪər/
01 n. One who, or that which, purifies or cleanses; a cleanser; a refiner.
  1. 1.
    One who, or that which, purifies or cleanses; a cleanser; a refiner.