Softener

//ˈsɔfənər// noun

Definitions

Noun
  1. 1
    One who, or that which, softens.; A water softener.
  2. 2
    a substance added to another to make it less hard wordnet
  3. 3
    One who, or that which, softens.; Fabric softener.
  4. 4
    One who, or that which, softens.; A substance added to make something softer.

Etymology

From Middle English softener, equivalent to soften + -er.

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