
avdp. 
abbreviation of "avoirdupois," a system of weight based on a pound equal to sixteen ounces or to 453.59 grams. 
avoirdupois weight 
a system of weight based on a pound equal to sixteen ounces or to 453.59 grams. 
bray^{2} 
to pound until fine, in or as if in a mortar. 
British thermal unit 
a unit of heat equal to the amount needed to raise the temperature of one pound of water one degree Fahrenheit, or equal to about 252 calories. (abbr.: Btu) 
Btu 
abbreviation of "British thermal unit" or "British thermal units," a unit of heat equal to the amount needed to raise the temperature of one pound of water one degree Fahrenheit, or equal to about 252 calories. 
florin 
a coin formerly minted in England worth two shillings or one tenth of a pound. [1/3 definitions] 
footpound 
a unit of energy equal to the amount necessary to raise a weight of one pound to a height of one foot. 
footpoundal 
a unit of energy equal to the work done by the force of one pound, accelerating one foot per second per second, moving a distance of one foot. 
footpoundsecond 
of, designating, or pertaining to the system of measurement in which the foot, pound, and second are the basic units of length, mass, and time. 
fps 
abbreviation of "footpoundsecond," or "footpoundseconds," of, designating, or pertaining to the system of measurement in which the foot, pound, and second are the basic units of length, mass, and time. 
ftlb 
abbreviation of "footpound," or "footpounds," a unit of energy equal to the amount necessary to raise a weight of one pound to a height of one foot. 
grain 
in certain systems of weight, the smallest unit, derived from the weight of a ripe grain of wheat and equal to one seventhousandth of a pound or 64.798 milligrams. [1/11 definitions] 
hammer 
a hand tool having a solid, heavy head set across a handle and used to pound, indent, or beat metal, nails, or the like into shape or place, or any similar device. [4/14 definitions] 
impound 
to shut up or confine (an animal) in a pound. [1/3 definitions] 
lb. 
abbreviation of "pound," or "pounds," a unit of weight equal to sixteen ounces or 453.592 grams in the avoirdupois weight system, and equal to twelve ounces or 373.242 grams in the apothecaries' and troy weight systems. 
lbs. 
abbreviation of "pounds," a plural form of "pound." 
libra^{1} 
in ancient Rome, a unit of weight equal to approximately twelve ounces; pound. 
ounce^{1} 
a unit of weight equal to one sixteenth of a pound or 28.350 grams in the avoirdupois weight system, and equal to one twelfth of a pound or 31.1051 grams in the apothecaries' weight and the troy weight systems. (abbr.: oz.) [1/3 definitions] 
oz. 
abbreviation of "ounce," or "ounces," a unit of weight equal to one sixteenth of a pound or 28.350 grams in the avoirdupois weight system, and equal to one twelfth of a pound or 31.1051 grams in the apothecaries' weight and the troy weight systems. 
pence 
plural form of penny used when referring to an amount of British currency rather than number of penny coins. One hundred pence is equal to one pound. 
penny 
the smaller monetary unit (pl. pence) or coin (pl. pennies) of the United Kingdom and, formerly, of Ireland, equal to one hundredth of a pound. [1/4 definitions] 

