British Imperial System, British system, English system - a system of weights and measures based on the foot and pound and second and pint

mass unit - a unit of measurement for mass

avoirdupois, avoirdupois weight - a system of weights based on the 16-ounce pound (or 7,000 grains)

grain - 1/7000 pound; equals a troy grain or 64.799 milligrams

dram - 1/16 ounce or 1.771 grams

oz., ounce - a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams

lb, pound - 16 ounces; "he tried to lift 100 pounds"

stone - an avoirdupois unit used to measure the weight of a human body; equal to 14 pounds; "a heavy chap who must have weighed more than twenty stone"

quarter - a quarter of a hundredweight (25 pounds)

long hundredweight, cwt, hundredweight - a British unit of weight equivalent to 112 pounds

cental, cwt, short hundredweight, hundredweight, quintal, centner - a United States unit of weight equivalent to 100 pounds

gross ton, long ton, ton - a British unit of weight equivalent to 2240 pounds

net ton, short ton, ton - a United States unit of weight equivalent to 2000 pounds

kiloton - one thousand tons

megaton - one million tons