THESAURUS
boil down
abbreviate, abridge, abstract, bob, capsulize, clip, compress, condense, contract, crop, curtail, cut, cut back, cut down, cut off short, cut short, dock, elide, epitomize, foreshorten, mow, nip, poll, pollard, prune, reap, recap, recapitulate, reduce, retrench, shave, shear, shorten, snub, streamline, stunt, sum up, summarize, synopsize, take in, telescope, trim, truncate
ROGET THESAURUS
boil down
Contraction
VB
become small, become smaller, lessen, decrease, grow less, dwindle, shrink, contract, narrow, shrivel, collapse, wither, lose flesh, wizen, fall away, waste, wane, ebb, decay, be smaller than, fall short of, not come up to, render smaller, lessen, diminish, contract, draw in, narrow, coarctate,
boil down, constrict, constringe, condense, compress, squeeze, corrugate, crimp, crunch, crush, crumple up, warp, purse up, pack, squeeze, stow, pinch, tighten, strangle, cramp, dwarf, bedwarf, shorten, circumscribe, restrain, (subtraction) 38 abrade, pare, reduce, attenuate, rub down, scrape, file, file down, grind, grind down, chip, shave, shear, wear down.