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48 Cards in this Set
- Front
- Back
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ampere |
a measure of electrical current |
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Avogadro's number |
a unit of relative quantity equal to the number of atoms or molecules per mole of a substance. The currently accepted value is 6.0221415 X 10 ^23 per mole |
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avoirdupois |
fancy name for the weight scale based on a pound containing 16 ounces |
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baker's dozen |
13 units (in case one of the muffins falls on the floor) |
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barrel |
a measure of liquid volume equal in the US to 31.5 gallons; it's also half a hogshead and one-quarter of a butt |
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Beaufort |
a scale that measures wind speed; also used for measuring hurricanes |
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bit |
the smallest unit of information used in computer engineering, equal to one-eighth of a byte |
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bolt |
a large roll of cloth |
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bucket |
2 pecks or 16 quarts (dry measure) |
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bushel |
2 buckets or 4 pecks (dry measure) |
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butt |
2 hogsheads or 4 barrels i.e. 126 gallons (liquid measure) |
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byte |
a unit of information used in computer engineering, equal to 8 bts |
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caliber |
a measure of the diameter of a bullet or shell |
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carat |
a jeweler's measure of weight (for diamonds) or purity (for gold) |
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Celsius |
a temperature scale, also called centigrade, that places the freezing point of water at 0 degrees and the boiling point at 100 degrees |
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coulomb |
a measure of electricity charge |
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cord |
a quantity of logs measuring 128 cubic feet |
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cubit |
an ancient unit o length equal to about 18 inches |
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curie |
a unit of radioactivity |
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decibel |
a customary logarithmic measure most commonly used for measuring sound |
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dram |
1/16 of an ounce |
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elite |
a unit of type measurement |
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Fahrenheit |
a temperature scale that places the freezing point at 32 degrees and the boiling point at 212 degrees |
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fathom |
a measure of water depth equal to 6 feet |
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flagon |
a traditional unit of liquid measurement equal to a gallon |
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furlong |
unit of distance equal to 220 yards or one-eighth of a mile |
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gill |
4 ounces (liquid measure) |
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grain |
1/7,000 of a pound |
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hectare |
a unit of measurement equal to 2.47 acres |
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hertz |
measure of frequncy |
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hogshead |
2 barrels or one-half of a butt i.e. 63 gallons (liquid measure) |
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joule |
a quantity of energy |
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Kelvin |
a temperature scale that sets absolute zero (the freezing point of all matter) at 0 degrees; its degrees are equivalent to degrees Celsius + 273 |
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knot |
a measure of speed on the sea |
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league |
a unit of distance, used nautically, equaling 3 miles or 4.8 kilometers |
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ohm |
a measure of electrical resistance |
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peck |
8 quarts or one-quarter of a bushel (dry measure) |
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pH |
a scale that measures whether a substance is an acid or a base. It goes from 0 to 14: 0 is an acid, 14 is a base, and 7 is neutral |
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pica |
a unit of type measurement |
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quintal |
a unit of weight equal to 100 kilograms |
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Richter |
a logarithmic scale that measure tremors, earthquakes, and the like |
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rod |
16.5 feet or 5.5 yards |
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Saffir-Simpson |
a scale that measures the intensity (called a category) of an earthquake |
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score |
a traditional unit of quantity equal to 20 |
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stone |
a unit of weight equal to 14 pounds or 6.4 kilograms |
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troy |
a weight scale in which, unlike the more common avoirdupois scale, a pound contains only 12 ounces |
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volt |
a unit of electrical output |
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watt |
a measurement of power |
