Discharge may refer to
Expel or let go
* Discharge, the act of firing a
gun
* Discharge, or
termination of employment, the end of an employee's duration with an employer
*
Military discharge, the release of a member of the armed forces from service
Flow
*
Discharge (hydrology)
In hydrology, discharge is the volumetric flow rate of water that is transported through a given cross-sectional area. It includes any suspended solids (e.g. sediment), dissolved chemicals (e.g. CaCO3(aq)), or biologic material (e.g. diatoms) in ad ...
, the amount of water flowing through the channel
**
Effluent
Effluent is wastewater from sewers or industrial outfalls that flows directly into surface waters either untreated or after being treated at a facility. The term has slightly different meanings in certain contexts, and may contain various pollut ...
released into a river or sea
**
Groundwater discharge
Groundwater discharge is the volumetric flow rate of groundwater through an aquifer.
Total groundwater discharge, as reported through a specified area, is similarly expressed as:
:Q = \fracKA
where
:''Q'' is the total groundwater discharge ( 3·T ...
, the volumetric flow rate of groundwater through an aquifer
*
Discharging method (discrete mathematics) The discharging method is a technique used to prove lemmas in structural graph theory. Discharging is most well known for its central role in the proof of the four color theorem. The discharging method is used to prove that every graph in a certai ...
is a proof technique in discrete mathematics
*
Electric discharge:
**
Corona discharge, a type of electric current
**
Direct-current discharge
A glow discharge is a plasma formed by the passage of electric current through a gas. It is often created by applying a voltage between two electrodes in a glass tube containing a low-pressure gas. When the voltage exceeds a value called the s ...
, a plasma
**
Discharger
A discharger in electronics is a device or circuit that releases stored energy or electric charge from a battery, capacitor or other source.
Discharger types include:
* metal probe with insulated handle & ground wire, and sometimes resistor (for c ...
, an electrical device that releases stored energy
***
Battery discharging
***
Static discharger, a device used on airplanes to maintain use of electrical equipment
**
Electrostatic discharge
Electrostatic discharge (ESD) is a sudden and momentary flow of electric current between two electrically charged objects caused by contact, an short circuit, electrical short or dielectric breakdown. A buildup of static electricity can be caused ...
, sudden and momentary electric current flows between two objects
***
Dielectric barrier discharge
Dielectric-barrier discharge (DBD) is the electrical discharge between two electrodes separated by an insulating dielectric barrier. Originally called silent (inaudible) discharge and also known as ozone production discharge or partial dischar ...
, the electrical discharge between two electrodes separated by an insulating dielectric barrier
**
Gas-discharge lamp
Gas-discharge lamps are a family of artificial light sources that generate light by sending an electric discharge through an ionized gas, a plasma.
Typically, such lamps use a
noble gas (argon, neon, krypton, and xenon) or a mixture of thes ...
, a light bulb that includes a discharge gas
**
Partial discharge, a temporary breakdown of electrical insulation
Government and Law
*
Discharge (sentence), a criminal sentence where no punishment is imposed
*
Bankruptcy discharge, the injunction that bars acts to enforce certain debts
*
Discharge petition, the process of bringing a bill out of committee to the floor for a vote without the cooperation of leadership
Healthcare
* Discharge, the flow of fluids from certain parts of the body:
** Menstruation or other
vaginal discharge
**
Mucopurulent discharge, the emission or secretion of fluid containing mucus and pus
**
Nipple discharge, the release of fluid from the nipples of the breasts
* Emotional discharge, in
co-counselling
Co-counselling (spelled co-counseling in American English) is a grassroots method of personal change based on reciprocal peer counselling. It uses simple methods. Time is shared equally and the essential requirement of the person taking their turn ...
, the ways in which pent-up emotional hurt can be released, e.g. via crying, laughter, etc.
* Patient discharge, the formal ending of
inpatient care
Music
*
''Discharge'' (album), a self-titled album by Discharge released in 2002
*
Discharge (band), British hardcore punk band
* "Discharge", a song by Anthrax from ''
Persistence of Time''
{{disambiguation
