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Loss may refer to:
Mathematics, science, and technology
Angular misalignment loss , power loss caused by the deviation from optimum angular alignment
Bridging loss , the loss that results when an impedance is connected across a transmission line
Coupling loss , the loss that occurs when energy is transferred from one circuit, optical device, or medium to another
Insertion loss , the decrease in transmitted signal power resulting from the insertion of a device in a transmission line or optical fiber
Dielectric loss , a dielectric material's inherent dissipation of electromagnetic energy
Loss function , in statistics, a function representing the cost associated with an event
Path loss , the attenuation undergone by an electromagnetic wave in transit from a transmitter to a receiver
Free-space path loss , the loss in signal strength that would result if all influences were sufficiently removed having no effect on its propagation
Return loss , the ratio of the amplitude of the reflected wave to the amplitude of the incident wave
Round-trip loss in laser physics refers to energy lost due to scattering or absorption
Switching loss [
de ] , power loss incured due to circuit switching
Lick Observatory Supernova Search (LOSS) program
Proper noun in Arts, entertainment, and media
Music
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