|≈||approximately equal to|
|digits||indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …)|
The acre-foot is a unit of volume commonly used in the United States in reference to large-scale water resources, such as reservoirs, aqueducts, canals, sewer flow capacity, irrigation water, and river flows.
The minim (abbreviated min, ♏, or ) is a unit of volume in both the imperial and US customary systems of measurement. Specifically it is 1⁄60 of a fluidram or 1⁄480 of a fluid ounce. In the pharmacopeoia, it is also noted that the minim was originally created by Mr. Timothy Lane, F.R.S, as 61440 parts per wine gallon.