THESAURUS
Ounce
ace, atom, bit, crumb, dab, dole, dot, dram, dribble, driblet, drop, dwarf, farthing, fleck, flyspeck, fragment, gobbet, grain, granule, groat, hair, handful, iota, jot, little, little bit, minim, minimum, minutiae, mite, modicum, molecule, mote, nutshell, particle, pebble, pinch, pittance, point, scruple, shred, smidgen, smitch, speck, spoonful, spot, thimbleful, tiny bit, tittle, trifling amount, trivia, whit
ROGET THESAURUS
Ounce
Gravity
N
gravity, gravitation, weight, heaviness, specific gravity, pondorosity, pressure, load, burden, burthen, ballast, counterpoise, lump of, mass of, weight of, lead, millstone, mountain, Ossa on Pelion, weighing, ponderation, trutination, weights, avoirdupois weight, troy weight, apothecaries' weight, grain, scruple, drachma, ounce, pound, lb, arroba, load, stone, hundredweight, cwt, ton, long ton, metric ton, quintal, carat, pennyweight, tod, gram, centigram, milligram, microgram, kilogram, nanogram, picogram, femtogram, attogram, balance, scale, scales, steelyard, beam, weighbridge, spring balance, piezoelectric balance, analytical balance, two-pan balance, one-pan balance, postal scale, baby scale, statics, weighty, weighing, heavy as lead, ponderous, ponderable, lumpish, lumpy, cumbersome, burdensome, cumbrous, unwieldy, massive, incumbent, superincumbent.