English edit

Etymology edit

defoam +‎ -er

Noun edit

defoamer (plural defoamers)

  1. Any chemical agent used for defoaming.
    • 2007, Theo Mang, Wilfried Dresel, Lubricants and Lubrication, page 106:
      Nowadays silicone-free defoamers are used moreand more in many applications.

Anagrams edit