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 completely remove, get rid of, put an end to.
To kill (a person or animal).
To exclude (from investigation or from further competition).
To record amounts in a consolidation statement to remove the effects of inter-company transactions.
To excrete (waste products).