Libra or Libbra (lb)


Libra or Libbra (lb) :

A traditional unit of weight in Italian, Spanish, and Portuguese speaking countries. The libra was the Roman unit from which the English pound is descended; the symbol "lb" for the pound comes from this unit. The Roman libra contained only 12 unciae (ounces) and was about 0.722 English pound. The traditional Italian libbra was often of similar size, but a wide variety of libbras were used in Italian markets over the centuries. The Spanish and Portuguese units are larger, generally in the range from 1.011 to 1.016 English pound (very close to 460 grams). The Spanish libra equals 16 onzas, and the Portuguese libra equals 16 on as. The word "libra" is sometimes used now for the kilogram, a much larger unit

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