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syncarida
Science; General science
A unique superorder of malacostracan Crustacea, noted particularly for the total lack of a carapace or carapace shield. Two orders are recognized, Anaspidacea and Bathynellacea. ...
petroleum exploration
Science; General science
A unique true distribution of rock properties exists in each petroleum reservoir as a result of a complex sequence of physical, chemical, and biological processes. Although some ...
mole (chemistry)
Science; General science
A unit (symbolized mol) used to measure the amount of material in a chemical sample. Gram-molecular weight is an older name for the mole and is seldom used. The mole is defined ...
magneton
Science; General science
A unit of magnetic moment used to describe atomic, molecular, or nuclear magnets. More precisely, one unit, the Bohr magneton, is used at the atomic and molecular levels, and ...
atomic mass unit
Science; General science
A unit of mass equal to exactly 1/12 of the mass of an atom of carbon-12 ( 12 C), the predominant isotope of carbon. The unit, also known as the dalton, is often abbreviated ...
day
Science; General science
A unit of time equal to the period of rotation of Earth. Different sorts of day are distinguished, according to how the period of rotation is reckoned with respect to one or ...
degree-day
Science; General science
A unit used in estimating energy requirements for building heating and, to a lesser extent, for building cooling. It is applied to all fuels, district heating, and electric ...
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