D defs.my
Entry 1 sense Webster, 1913

Acidifier

· A·cid·i·fi·er · IPA
01 n. A simple or compound principle, whose presence is necessary to produce acidity, as oxygen, chlorine, bromine, iodine, etc.
  1. 1.
    A simple or compound principle, whose presence is necessary to produce acidity, as oxygen, chlorine, bromine, iodine, etc.(Chem.)