Discharge may refer to
Expel or let go
* Discharge, the act of firing a
gun
A gun is a ranged weapon designed to use a shooting tube (gun barrel) to launch projectiles. The projectiles are typically solid, but can also be pressurized liquid (e.g. in water guns/cannons, spray guns for painting or pressure washing, pr ...
* Discharge, or
termination of employment
Termination of employment or separation of employment is an employee's departure from a job and the end of an employee's duration with an employer. Termination may be voluntary on the employee's part, or it may be at the hands of the employer, of ...
, the end of an employee's duration with an employer
*
Military discharge
A military discharge is given when a member of the armed forces is released from their obligation to serve. Each country's military has different types of discharge. They are generally based on whether the persons completed their training and the ...
, 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
An electric discharge is the release and transmission of electricity in an applied electric field through a medium such as a gas (ie., an outgoing flow of electric current through a non-metal medium).American Geophysical Union, National Research C ...
:
**
Corona discharge
A corona discharge is an electrical discharge caused by the ionization of a fluid such as air surrounding a conductor carrying a high voltage. It represents a local region where the air (or other fluid) has undergone electrical breakdown ...
, 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, an electrical device that releases stored energy
***
Battery discharging
***
Static discharger
Static dischargers, also called static wicks or static discharge wicks, are devices used to remove static electricity from aircraft in flight. They take the form of small sticks pointing backwards from the wings, and are fitted on almost all civi ...
, 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
In electrical engineering, partial discharge (PD) is a localized dielectric breakdown (DB) (which does not completely bridge the space between the two conductors) of a small portion of a solid or fluid electrical insulation (EI) system under hig ...
, a temporary breakdown of electrical insulation
Government and Law
*
Discharge (sentence)
A discharge is a type of sentence imposed by a court whereby no punishment is imposed.
An absolute discharge is an unconditional discharge whereby the court finds that a crime has technically been committed but that any punishment of the defend ...
, a criminal sentence where no punishment is imposed
*
Bankruptcy discharge
A discharge in United States bankruptcy law, when referring to a debtor's discharge, is a statutory injunction against the commencement or continuation of an action (or the employment of process, or an act) to collect, recover or offset a debt a ...
, the injunction that bars acts to enforce certain debts
*
Discharge petition
In United States parliamentary procedure, a discharge petition is a means of bringing a bill out of committee and to the floor for consideration without a report from the committee by "discharging" the committee from further consideration of a bi ...
, 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
Vaginal discharge is a mixture of liquid, cells, and bacteria that lubricate and protect the vagina. This mixture is constantly produced by the cells of the vagina and cervix, and it exits the body through the vaginal opening. The composition, amou ...
**
Mucopurulent discharge
Mucopurulent discharge is the emission or secretion of fluid containing mucus and pus (''muco-'' pertaining to ''mucus'' and ''purulent'' pertaining to ''pus'') from the eye, nose, cervix, vagina or other part of the body due to infection and i ...
, the emission or secretion of fluid containing mucus and pus
**
Nipple discharge
Nipple discharge is fluid from the nipple, with or without squeezing the breast. The discharge can be milky, clear, green, purulent, bloody, or faintly yellow. The consistency can be thick, thin, sticky, or watery.
Nipple discharge may be norma ...
, 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
Inpatient care is the care of patients whose condition requires admission to a hospital. Progress in modern medicine and the advent of comprehensive out-patient clinics ensure that patients are only admitted to a hospital when they are extremely ...
Music
*
''Discharge'' (album), a self-titled album by Discharge released in 2002
*
Discharge (band)
Discharge are an English hardcore punk band formed in 1977 in Stoke-on-Trent, England. The band is known for influencing several sub-genres of extreme music and their songs have been covered by some of the biggest names in heavy metal and othe ...
, British hardcore punk band
* "Discharge", a song by Anthrax from ''
Persistence of Time
''Persistence of Time'' is the fifth studio album by the American heavy metal band Anthrax. It was released on August 21, 1990 through Megaforce Worldwide/Island Records and was nominated in 1991 for a Grammy Award in the Best Metal Performance ...
''
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