Look up loss in Wiktionary, the free dictionary.

Loss may refer to:

• A negative difference between retail price and cost of production
• An event in which the team or individual in question did not win.
• Loss (baseball), a pitching statistic in baseball
• Attenuation, a reduction in amplitude and intensity of a signal
• In telecommunications, loss is a decrease in signal in a communications system:
  • 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
  • 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
• Loss function, in statistics, a function representing the cost associated with an event

In the arts:

• Loss (film), a 2008 film by Maris Martinsons.
• Joe Loss, the founder of The Joe Loss Orchestra
• Loss (album), the debut album of Mull Historical Society
• Loss (album), the sixth studio album of Bass Communion
• Loss (comics), a mutant comic book character
• Lord Loss (character), the Demon Lord from Darren Shan's 10 book series The Demonata
• "The Loss", a fourth-season episode of Star Trek: The Next Generation

[ See also

• Stop loss
• Grief, an emotional response to loss
• Animal loss, grief over the loss of an animal

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