Grano
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Definición
Una unidad de masa igual a 1/7000 de libra (64,799 mg).
Explicación
Originally based on the weight of a single grain of barley. Still used for bullet weights and pharmaceutical measurements.
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RELATED TERMS
Sistema Imperial
Un sistema de medición utilizado principalmente en los Estados Unidos, basado en unidades inglesas históricas.
Peso Troy
Un sistema de pesas utilizado para metales preciosos y gemas.
Avoirdupois
El sistema estándar de pesas basado en la libra de 16 onzas, utilizado para bienes de uso cotidiano.
Caballo de Vapor
Una unidad de potencia. El caballo de vapor mecánico equivale aproximadamente a 745,7 vatios.
BTU (Unidad Térmica Británica)
La cantidad de calor necesaria para elevar la temperatura de una libra de agua en un grado Fahrenheit.