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 reduce to one-tenth: to destroy or remove nine-tenths of anything.
To replace a high-resolution model with another of lower but acceptable quality.
To devastate: to reduce or destroy significantly but not completely.
To destroy or remove one-tenth of anything.