Nullifier(n.) One who nullifies or makes void; one who maintains the right to nullify a contract by one of the parties.
Thesaurus Entries
acid, acidity, agent, alexipharmic, alkali, alkalinity, alkalizer, alloisomer, anion, annulling, anthelmintic, antibiotic, antidotal, antidote, antimicrobial, antipyretic, antitoxic, atom, bacteriostatic, base, bicarbonate of soda, biochemical, buffer, buffering, calcium carbonate, canceling, cation, chemical, chemical element, chromoisomer, compound, copolymer, counteractant, counteractive, counteragent, counterbalancing, counterirritant, dimer, element, febrifugal, gastric antacid, heavy chemicals, high polymer, homopolymer, hydracid, inorganic chemical, ion, isomer, macromolecule, magnesia, metamer, molecule, monomer, negating, neutralizer, neutralizing, nonacid, nullifier, nullifying, offset, offsetting, organic chemical, oxyacid, polymer, preventative, preventive, prophylactic, pseudoisomer, radical, reagent, remedy, seltzer, sodium bicarbonate, stultifying, sulfacid, trimer, vitiating, voiding