Loss may refer to:

Arts, entertainment, and media

Music

* ''Loss'' (Bass Communion album) (2006) * ''Loss'' (Mull Historical Society album) (2001) *"Loss", a song by God Is an Astronaut from their self-titled album (2008) * Losses "(Lil Tjay song)" (2020) *"Losses", a song by Drake from ''

Dark Lane Demo Tapes ''Dark Lane Demo Tapes'' is a mixtape by Canadian rapper and singer Drake. The mixtape is a compilation of songs that were released on SoundCloud or leaked on the internet, as well as new songs, and is considered a "warm-up" to Drake's sixth stu ...

'' (2020) *"Losses", a song by Polo G from ''

Hall of Fame A hall, wall, or walk of fame is a list of individuals, achievements, or other entities, usually chosen by a group of electors, to mark their excellence or Wiktionary:fame, fame in their field. In some cases, these halls of fame consist of actu ...

'' (2021)

Other uses in arts, entertainment, and media

* ''Loss'' (comic), a webcomic strip and internet meme * ''Loss'' (film), a 2008 film by Maris Martinsons *

Lord Loss (character) ''The Demonata'' is a young adult horror/fantasy series by author Darren Shan. It deals with the world of demons. The series is told by three different protagonists: Grubbs Grady, Kernel Fleck, and Bec MacConn. The series is notable for its e ...

, a character from Darren Shan's ''The Demonata'' *"

The Loss "The Loss" is the 84th episode of the American science fiction television series '' Star Trek: The Next Generation'', and the tenth episode of the fourth season. It originally aired on December 31, 1990. Set in the 24th century, the series foll ...

", a 1990 episode of ''Star Trek: The Next Generation''

Grief

Grief Grief is the response to loss, particularly to the loss of someone or some living thing that has died, to which a bond or affection was formed. Although conventionally focused on the emotional response to loss, grief also has physical, cogni ...

, an emotional response to loss **

Animal loss The loss of a pet or an animal to which one has become emotionally bonded oftentimes results in grief which can be comparable with the death of a human loved one, or even greater, depending on the individual. The death can be felt more intensely ...

, grief over the loss of an animal

Mathematics, science, and technology

Angular misalignment loss In waveguide design and construction, angular misalignment loss is power loss caused by the deviation from optimum angular alignment of the axes of source-to-waveguide, waveguide-to-waveguide, or waveguide-to-detector. The waveguide may be dielectri ...

, power loss caused by the deviation from optimum angular alignment *

Bridging loss Bridging loss is the loss, at a given frequency, that results when an Electrical impedance, impedance is connected across a transmission line. It is expressed as the ratio, in decibels, of the signal (information theory), signal power (physics), po ...

, the loss that results when an impedance is connected across a transmission line *

Coupling loss Coupling loss, also known as connection loss, is the loss that occurs when energy is transferred from one electrical circuit, circuit, circuit element, or medium to another. Coupling loss is usually expressed in the same units of measurement, uni ...

, 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 Dielectric loss quantifies a dielectric material's inherent dissipation of electromagnetic energy (e.g. heat). It can be parameterized in terms of either the loss angle ''δ'' or the corresponding loss tangent tan ''δ''. Both refer to the ...

, a dielectric material's inherent dissipation of electromagnetic energy *

Loss function In mathematical optimization and decision theory, a loss function or cost function (sometimes also called an error function) is a function that maps an event or values of one or more variables onto a real number intuitively representing some "cost ...

, 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 *, power loss incured due to circuit switching * Lick Observatory Supernova Search (LOSS) program

Other uses

* Joe Loss (1909–1990), founder of The Joe Loss Orchestra * Loss (baseball), a pitching statistic in baseball *