释义 |
tri·basic \(ˈ)trī+\ adjective Etymology: tri- + basic 1. : having three hydrogen atoms capable of replacement by basic atoms or radicals — used of acids (as phosphoric acid) 2. : containing three atoms of a univalent metal or their equivalent < tribasic sodium phosphate Na3PO4 > 3. : having three basic hydroxyl groups : able to react with three molecules of a monobasic acid — used of bases and basic salts • tri·basicity \|trī+\ noun |