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TermDefinition
Op-amp Operational Amplifier -- semiconductor amplifier characterized by high gain and high internal resistance.
OR Logic gate whose output is a binary 1 if any of its inputs is a 1; zero otherwise.
Oscillator Circuit that produces an alternating voltage (current) when supplied by a steady (DC) energy source.
Osmosis The flow of solvent into a solution through a semi-permeable membrane.
Osmotic pressure (π) The pressure that must be applied to a solution to stop osmosis: π = MRT.
Oxidation The removal of one or more electrons from an atom, ion or molecule.
p-Type semiconductor A semiconductor for which the predominant charge carriers responsible for electrical conduction are holes.
Package Protective enclosure for a chip or a sensor, typically made of plastic or ceramic.
Paramagnetism A relatively weak form of magnetism resulting from the independent alignment of atomic dipoles (magnetic) with an applied magnetic field. Also a type of induced magnetism, associated with unpaired electrons, that causes a substance to be zapped into the inducing magnetic field.
Permeability [µ] From the relation between magnetic induction and magnetic field (B = µH); for free space, µ0 = 1.26 × 10-6 H/m.
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