""Q" is derived from the French word "Quantité" which means "Amount" or Quantity. It was introduced by the French at the time when they dominated science (between the 18th century and the 19th century, ie. Darcy's law 1856, Poiseuille's law, 1840). The French word derives from Latin " Quantitas ".
""Q" is derived from the French word "Quantité" which means "Amount" or Quantity. It was introduced by the French at the time when they dominated science (between the 18th century and the 19th century, ie. Darcy's law 1856, Poiseuille's law, 1840). The French word derives from Latin " Quantitas ".