To reduce to nothing, to destroy, to eradicate.
To render null and void; to abrogate.
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).
To set up; to establish; to enact.
To make up; to compose; to form.
To appoint, depute, or elect to an office; to make and empower.