Decay

Decay may refer to:

Science and technology

• Bit decay, in computing
• Software decay, in computing
• Distance decay, in geography
• Decay time (fall time), in electronics

Biology

• Decomposition of organic matter
• Tooth decay (dental caries), in dentistry
• Mitochondrial decay, in genetics

Physics

• Orbital decay, the process of prolonged reduction in the height of a satellite's orbit
• Particle decay
• Radioactive decay
• Optical decay, in quantum physics

Mathematics

• Exponential decay

Psychology and sociology

• Decay theory, in psychology and memory
• Social decay (decadence), in sociology
• Urban decay, in sociology

Entertainment

• Network decay (channel drift), in television programming
• Decay (DC Comics), a comic book character
• Half-Life: Decay, a 2001 video game add-on
• Deekay, a Danish production team
• Decay (professional wrestling), a professional wrestling stable in TNA Wrestling

Film

• Decay (film), a 2012 zombie film set at the Large Hadron Collider

Music

• how quickly the sound drops to the sustain level after the initial peak, see ADSR envelope
• "Decay" (Ride song)
• "Decay" (Biohazard song)
• "Decay" (Sevendust song), 2013
• Decay Music, 1976 music album by Michael Nyman
• The Years of Decay, music album by Overkill (band)

Other

• Beta decay (finance)

See also

• All pages with titles beginning with Decay
• All pages with titles containing Decay
• Weathering
• Decomposition (disambiguation)