Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

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†. [metric weights] gram, centigram, milligram, microgram, kilogram; nanogram, picogram, femtogram, attogram. [Weighing Instrument] balance, scale, scales, steelyard, beam, weighbridge†; spring balance, piezoelectric balance, analytical balance, two-pan balance, one-pan balance; postal scale, baby scale. [Science of gravity] statics. V. be heavy &c adj.; gravitate, weigh, press, cumber, load. [Measure the weight of] weigh, poise. Adj. weighty; weighing &c v.; heavy as lead; ponderous, ponderable; lumpish†, lumpy, cumbersome, burdensome; cumbrous, unwieldy, massive. incumbent, superincumbent†.