Acidifier :: Acidifier (n.) A simple or compound principle, whose presence is necessary to produce acidity, as oxygen, chlorine, bromine, iodine, etc..
Acidify :: Acidify (v. t.) To make acid; to convert into an acid; as, to acidify sugar..
Difference :: Difference (n.) The act of differing; the state or measure of being different or unlike; distinction; dissimilarity; unlikeness; variation; as, a difference of quality in paper; a difference in degrees of heat, or of light; what is the difference between the innocent and the guilty?.
Difference :: Difference (n.) Disagreement in opinion; dissension; controversy; quarrel; hence, cause of dissension; matter in controversy..