Exhaust, exhaustive, or exhaustion may refer to:
Law
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Exhaustion of intellectual property rights, limits to intellectual property rights in patent and copyright law
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Exhaustion doctrine, in patent law
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Exhaustion doctrine under U.S. law, in patent law
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Exhaustion of remedies, restrictions on opening a new lawsuit while an original suit is pending
Mathematics
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Brute-force attack, a cryptanalytic attack, also known as exhaustive key search
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Collectively exhaustive, in probability and set theory, a collection of sets whose union equals the complete space
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Exhaustion by compact sets, in analysis, a sequence of compact sets that converges on a given set
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Method of exhaustion
The method of exhaustion () is a method of finding the area of a shape by inscribing inside it a sequence of polygons (one at a time) whose areas converge to the area of the containing shape. If the sequence is correctly constructed, the differ ...
, in geometry, finding the area of a shape by approximating it with polygons
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Proof by exhaustion
Proof by exhaustion, also known as proof by cases, proof by case analysis, complete induction or the brute force method, is a method of mathematical proof in which the statement to be proved is split into a finite number of cases or sets of equi ...
, proof by examining all individual cases
Medicine
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Fatigue
Fatigue is a state of tiredness (which is not sleepiness), exhaustion or loss of energy. It is a signs and symptoms, symptom of any of various diseases; it is not a disease in itself.
Fatigue (in the medical sense) is sometimes associated wit ...
, a weariness caused by exertion
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Adrenal exhaustion or hypoadrenia, a hypothesized maladaption of the adrenal glands
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Heat exhaustion or hyperthermia, a medical condition where the body is unable to control its accumulation of heat
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Nervous exhaustion or neurasthenia, a nineteenth-century diagnosis encompassing fatigue, anxiety, and depression
Technology
*Exhaust, in
steam engine
A steam engine is a heat engine that performs Work (physics), mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a Cylinder (locomotive), cyl ...
s, steam released from a cylinder
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Exhaust brake, a method of slowing diesel engines
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Exhaust gas
Exhaust gas or flue gas is emitted as a result of the combustion of fuels such as natural gas, gasoline (petrol), diesel fuel, fuel oil, biodiesel blends, or coal. According to the type of engine, it is discharged into the atmosphere through ...
, a gas which occurs as a result of combustion of fuel
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Exhaust manifold, a structure collecting an engine's exhaust outlets
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Exhaust system, a mechanism for venting exhaust gases from an internal combustion engine
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Exhaust velocity, a measure of engine efficiency
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Data exhaust, the trail of data left by users during online activity
Other uses
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Emotional exhaustion
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Exhaust (band), a clarinet, drum, and tape trio in Montreal, Canada
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''Exhaust'' (album), the band's 1998 self-titled album
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Exhaust date, the projected date that a telecommunications area code will have assigned all of its numbers
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Exhaustive ballot, a multi-round voting system
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