A gallon is a unit of volume measurement for liquids ... to visualize this measurement is to think of a gallon of milk or water, just divided into 16 cups. If you prefer a pneumonic device ...

It is also denoted as TMC or Tmc ft or Tmcft. It is a unit used to measure the volume of water in dams or reservoirs in India ...

Under normal circumstances, the rate of water uptake gives a measure of the rate of transpiration. A simple potometer is a piece of capillary tubing to which a plant has been connected.