A quench, in materials science, is a rapid cooling. Quench or quenching may also refer to: Science and technology Quenching (astronomy), a process in which a galaxy loses cold gas ending star formation Quenching (fluorescence), any process which decreases the fluorescence intensity of a given substance Quenching (scrubber), a type of pollution scrubber Magnet quench, a loss of superconductivity resulting in a rapid rise of resistance and temperature, such as in a superconducting magnet Dark quencher, a dye that absorbs light, but does not emit it, used in molecular biology the means by which a Geiger-Müller tube is able to distinguish individual particles in a super-regenerative receiver, the process of interrupting the main RF oscillation with a lower frequency oscillation the process of stopping an electrical arc, for example in a fuse or Spark-gap transmitter in an internal combustion engine, the rapid cooling of fuel inside the combustion chamber that prevents it from burning rapid evaporative cooling of a gas by injection of a liquid a secondary gas in a neon tube filled with a Penning mixture Other uses Quench (album), by the Beautiful South, 1998 Quench (band), a British rock band Quench (company), an American water-cooler company Quench (musician), Australian dance music producer Quench, a magazine published by gair rhydd, a student newspaper of Cardiff University Quench, a program on the Food Network Quench, a Zimbabwean soft drink See also ICMP Source Quench, a message that is part of the internet core protocol Lily Quench, a series of children's books