annihilate

1. (particle physics) To react with antimatter, producing gamma radiation and (for higher-mass reactants, especially composite particles such as protons) lighter particles (such as pions, muons, and neutrinos).particle

2. (archaic) To treat as worthless, to vilify.Examples: "of all the opinions which Antiquity hath had of men in gross, those which I most willingly embrace, and whereon I take most hold, are such as most vilifie, condemne, and annihilate us."archaic

3. (transitive) To render null and void; to abrogate.transitive