the unit of measurement
31Scoville unit — a unit measuring the concentration of capsaicin, the hot ingredient in chile peppers. A measurement of, say, 50 000 Scoville units means that an extract from the pepper can be diluted 50 000 to 1 with sugared water and the burn of the… …
32unit — [[t]ju͟ːnɪt[/t]] ♦♦ units 1) N COUNT If you consider something as a unit, you consider it as a single, complete thing. Agriculture was based in the past on the family as a unit. 2) N COUNT A unit is a group of people who work together at a… …
33astronomical unit — (ua or au or AU) a unit of distance used by astronomers to measure distances in the Solar System. One astronomical unit equals the average distance from the center of the Earth to the center of the Sun (mathematically, it is the length of the… …
34X unit — (Xu) a unit of distance formerly used for measuring the wavelength of x rays and gamma rays. The X unit is approximately 1.0021 x 10 13 meter, 0.001 0021 angstrom, or 100.21 femtometers. The wavelength of these powerful forms of radiation is… …
35atomic mass unit — (u or amu) the unit of mass used by chemists and physicists for measuring the masses of atoms and molecules. Early in the nineteenth century, scientists discovered that each chemical element is composed of atoms, and that each chemical… …
36dialog unit — (dlu) a unit of relative distance used in computer graphics. Actually there are two units: the horizontal dialog unit equals 1/4 the average width of the font being used, and the vertical dialog unit equals 1/8 the average height of the font.… …
37Dobson unit — (DU) a unit used in geophysics to measure the ozone in the atmosphere. One Dobson unit represents the amount of atmospheric ozone that would form a uniform layer 0.01 millimeter (10 micrometers) thick at standard temperature (0 °C) and… …
38Eotvos unit — (E) a unit used in geophysics to measure the change in the acceleration of gravity with horizontal distance. One Eotvos unit equals 10 9 Gal per centimeter or 10 4 Gal per kilometer. In proper SI terms, the Eotvos unit equals 10 9 per second… …
39metric ton unit — (mtu) a unit of mass used in mining to measure the mass of the valuable metal in an ore. Customarily, the metric ton unit is defined to be one metric ton of ore containing 1% metal, but it is the metal, not the ore, that is being measured.… …
40short ton unit — (stu) a unit of mass used in mining to measure the mass of the valuable metal in an ore. Customarily, the short ton unit is defined to be one U.S. ton of ore containing 1% metal, but it is the metal, not the ore, that is being measured.… …
