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Symbol | Definition |
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≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
The acre-inch 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.
US customary minim
1 US minim | = | 1⁄480 | US fluid ounce |
= | 1⁄80 | US teaspoon | |
= | 1⁄60 | US fluidram | |
= | 0.003759765625 | cubic inches (exactly) | |
= | 61.611519921875 | microlitres (exactly) | |
≈ | 1⁄461 | imperial fluid ounce | |
≈ | 1.040842731 | imperial minims |