THESAURUS
Abrade
abate, ablate, abrase, abstract, atomize, bark, bate, beat, blemish, bloody, bother, bray, break, brecciate, bug, burn, chafe, check, chip, claw, comminute, confuse, contriturate, corrode, crack, craze, crumb, crumble, crush, curtail, cut, decrease, deduct, depreciate, derogate, detract, diminish, disintegrate, disorganize, disparage, distract, disturb, drain, eat away, erase, erode, excoriate, exercise, extract, file, file away, flour, fracture, fragment, fray, frazzle, fret, gall, gash, gnaw, gnaw away, grain, granulate, granulize, grate, graze, grind, grind to powder, hurt, impair, incise, injure, irk, lacerate, leach, lessen, levigate, maim, make mincemeat of, mash, maul, mill, mutilate, perturb, pestle, pierce, pound, powder, provoke, pulverize, puncture, purify, rasp, raze, reduce, reduce to powder, refine, remove, rend, retrench, rip, rub, rub away, rub off, rub out, ruffle, run, rupture, savage, scald, scorch, scotch, scour, scrape, scratch, scrub, scrunch, scuff, shard, shorten, shred, skin, slash, slit, smash, sprain, squash, stab, stick, strain, subduct, subtract, take away, take from, tatter, tear, thin, thin out, traumatize, triturate, wear, wear away, wear down, wear off, wear out, wear ragged, weather, weed, withdraw, wound, wrench
ROGET THESAURUS
Abrade
Subtraction
VB
subduct, subtract, deduct, deduce, bate, retrench, remove, withdraw, take from, take away, detract, garble, mutilate, amputate, detruncate, cut off, cut away, cut out, abscind, excise, pare, thin, prune, decimate, abrade, scrape, file, geld, castrate, eliminate, diminish, curtail, deprive of, weaken.
Pulverulence
VB
come to dust, be disintegrated, be reduced to powder reduce to powder, grind to powder, pulverize, comminute, granulate, triturate, levigate, scrape, file, abrade, rub down, grind, grate, rasp, pound, bray, bruise, contuse, contund, beat, crush, cranch, craunch, crunch, scranch, crumble, disintegrate, attenuate.