- sulfate [sul′fāt΄]n.[Fr < L sulphur, sulfur + Fr -ate,-ATE2]1. a salt of sulfuric acid containing the divalent, negative radical SO42. an uncharged ester of this acidvt.sulfated, sulfating1. to treat with sulfuric acid or a sulfate2. to convert into a sulfate3. to cause a deposit of lead sulfate to form on (the negative plates of a storage battery)vi.to become sulfatedsulfationn.
English World dictionary. V. Neufeldt. 2014.