# Exhaust

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> Source: https://en.wikipedia.org/wiki/Exhaust
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**Exhaust**, **exhaustive**, or **exhaustion** may refer to:

## Law

- [Exhaustion of intellectual property rights](/source/Exhaustion_of_intellectual_property_rights), limits to intellectual property rights in patent and copyright law - [Exhaustion doctrine](/source/Exhaustion_of_intellectual_property_rights), in patent law - [Exhaustion doctrine under U.S. law](/source/Exhaustion_doctrine_under_U.S._law), in patent law
- [Exhaustion of remedies](/source/Exhaustion_of_remedies), restrictions on opening a new lawsuit while an original suit is pending

## Mathematics

- [Brute-force attack](/source/Brute-force_attack), a cryptanalytic attack, also known as exhaustive key search
- [Collectively exhaustive](/source/Collectively_exhaustive), in probability and set theory, a collection of sets whose union equals the complete space
- [Exhaustion by compact sets](/source/Exhaustion_by_compact_sets), in analysis, a sequence of compact sets that converges on a given set
- [Method of exhaustion](/source/Method_of_exhaustion), in geometry, finding the area of a shape by approximating it with polygons
- [Proof by exhaustion](/source/Proof_by_exhaustion), proof by examining all individual cases

## Medicine

- [Fatigue](/source/Fatigue), a weariness caused by [exertion](/source/Exertion)
- [Adrenal exhaustion](/source/Adrenal_exhaustion) or hypoadrenia, a hypothesized maladaption of the adrenal glands
- [Heat exhaustion](/source/Heat_exhaustion) or hyperthermia, a medical condition where the body is unable to control its accumulation of heat
- [Nervous exhaustion](/source/Nervous_exhaustion) or neurasthenia, a nineteenth-century diagnosis encompassing fatigue, anxiety, and depression

## Technology

- Exhaust, in [steam engines](/source/Steam_engine), steam released from a cylinder
- [Exhaust brake](/source/Exhaust_brake), a method of slowing diesel engines
- [Exhaust gas](/source/Exhaust_gas), a gas which occurs as a result of combustion of fuel
- [Exhaust manifold](/source/Exhaust_manifold), a structure collecting an engine's exhaust outlets
- [Exhaust system](/source/Exhaust_system), a mechanism for venting exhaust gases from an internal combustion engine
- [Exhaust velocity](/source/Specific_impulse), a measure of engine efficiency
- [Data exhaust](/source/Data_exhaust), the trail of data left by users during online activity

## Other uses

- [Emotional exhaustion](/source/Emotional_exhaustion)
- [Exhaust (band)](/source/Exhaust_(band)), a clarinet, drum, and tape trio in Montreal, Canada - [*Exhaust* (album)](/source/Exhaust_(album)), the band's 1998 self-titled album
- [Exhaust date](/source/Exhaust_date), the projected date that a telecommunications area code will have assigned all of its numbers
- [Exhaustive ballot](/source/Exhaustive_ballot), a multi-round voting system

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Adapted from the Wikipedia article [Exhaust](https://en.wikipedia.org/wiki/Exhaust) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Exhaust?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.