Unit Noun Synonyms: element, component, entity, part, item, constituent, piece, portion, segment, section, module
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Science / Chemistry / Derived Unit: Derived units are units constructed from the SI system's base units. For example, the SI unit for density is kg/m3, derived from the base units kg and m. MORE
Science / Chemistry / Atomic Unit: Compare with Bohr radius and hartree. A system of non-SI units used in quantum chemistry to simplify calculations and mathematical expressions. The definitions of atomic units include physical constan MORE
Science / Chemistry / Base Unit: Base units are units that are fundamental building blocks in a system of measurement. There are seven base units in the SI system. MORE
Science / Chemistry / Atomic Mass Unit: A unit of mass equal to 1/12 the mass of a carbon-12 nucleus, which is 1.660 538 73 ?— 10-27 kg ?± 0.000 000 13 ?— 10-27 kg [1998 CODATA values]. Abbreviated as amu or u. Sometimes called the dal MORE
Technology / Cell Phones / Telematics Control Unit (TCU): The embedded vehicle control unit that communicates with the automobile controls, GPS satellite and customer service center to provide Telematics features to a driver. MORE
Science / Biology / Motor Units: Consist of a motor neuron with a group of muscle fibers; form the units into which skeletal muscles are organized; enable muscles to contract on a graded basis. MORE