Exhaust \Ex*haust"\, a. [L. exhaustus, p. p.] 1. Drained; exhausted; having expended or lost its energy.
2. Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work.
{Exhaust draught}, a forced draught produced by drawing air through a place, as through a furnace, instead of blowing it through.
{Exhaust fan}, a fan blower so arranged as to produce an exhaust draught, or to draw air or gas out of a place, as out of a room in ventilating it.
{Exhaust nozzle}, {Exhaust orifice} (Steam Engine), the blast orifice or nozzle.
{Exhaust pipe} (Steam Engine), the pipe that conveys exhaust steam from the cylinder to the atmosphere or to the condenser.
{Exhaust port} (Steam Engine), the opening, in the cylinder or valve, by which the exhaust steam escapes.
{Exhaust purifier} (Milling), a machine for sorting grains, or purifying middlings by an exhaust draught. --Knight.
{Exhaust steam} (Steam Engine), steam which is allowed to escape from the cylinder after having been employed to produce motion of the piston.
{Exhaust valve} (Steam Engine), a valve that lets exhaust steam escape out of a cylinder.
Exhaust \Ex*haust"\, v. t. [imp. & p. p. {Exhausted}; p. pr. & vb. n. {Exhausting}.] [L. exhaustus, p. p. of exhaurire; ex out + haurire, haustum, to draw, esp. water; perhaps akin to Icel. asua to sprinkle, pump.] 1. To draw or let out wholly; to drain off completely; as, to exhaust the water of a well; the moisture of the earth is exhausted by evaporation.
2. To empty by drawing or letting out the contents; as, to exhaust a well, or a treasury.
3. To drain, metaphorically; to use or expend wholly, or till the supply comes to an end; to deprive wholly of strength; to use up; to weary or tire out; to wear out; as, to exhaust one's strength, patience, or resources.
A decrepit, exhausted old man at fifty-five. --Motley.
4. To bring out or develop completely; to discuss thoroughly; as, to exhaust a subject.
5. (Chem.) To subject to the action of various solvents in order to remove all soluble substances or extractives; as, to exhaust a drug successively with water, alcohol, and ether.
{Exhausted receiver}. (Physics) See under {Receiver}.
Syn: To spend; consume; tire out; weary.
Exhaust \Ex*haust"\, n. (Steam Engine) 1. The steam let out of a cylinder after it has done its work there.
2. The foul air let out of a room through a register or pipe provided for the purpose.
They require mandatory inspection of exhaust emissions and assembly-line testing and prohibit the sale of replacement parts that do not meet emission standards.
In Sweden, Saab is battling against a slump which has seen overall car sales fall from a peak of 340,000 in 1988 to an expected 130,000 this year. The 900 will sell hard on Saab's commitment to safety and low exhaust emissions as well as performance.
Opponents argue the exhaust and viabrations will damage the ancient stones, and that the highway will prevent excavation of Roman archaeological treasures in the necropolis.
The devices either disperse the exhaust of the helicopter's engine - making detection by a heat-seeking missile more difficult - or provide a decoy heat source that confuses a missile's guidance system, he said.
The nation's No. 2 automaker said owners of 296,000 1984 Ford Escort and EXP and Mercury Lynx automobiles were being notified that cracks in their cars' cylinder heads could leak oil onto exhaust manifolds.
The second is that a modern diesel car's engine can be inherently cleaner than a petrol engine fitted with a catalytic converter to clean up its exhaust emissions. Who says so?
Three-wheeled taxis droned in and out of traffic, fouling the air with pungent white exhaust.
At Savannah River, a Du Pont company spokesman said Monday that workers in the laboratory from which the suspect exhaust comes analyze samples of nuclear materials produced by the plant, including solutions that contain plutonium.
Israel is expected to run out of its 20,000 vacant rental units in four months and exhaust its supply of alternate housing three months later.
Johnson Matthey has developed prototype autocatalysts incorporating an electric heater which enables them to operate efficiently within a few seconds. Johnson Matthey expects catalysts for diesel exhaust to be a further growth area.
On a hot day, it now appears, the system can be overwhelmed and release five to 25 times more unburned gasoline than is permitted in exhaust.
It is therefore theoretically possible to have a fuel with no benzene but to have significant quantities in the exhaust gases. Many scientific publications have shown this clear relationship between total aromatic content and benzene emissions.
The United States should "dare not ignore" signals that gas emissions may be heating up the Earth, but it's too early to set limits on carbon dioxide exhaust, the nation's environmental chief said.
Also, four-cylinder cars made in 1984-86 will have new exhaust manifolds installed, similar to manifolds made standard on later models.
Mrs. Aquino today was asked about a statement by Marcos that he would "exhaust all possibilities" to attend his mother's funeral.
Conditions are worst in older cars with faulty exhaust systems.
Besides, he adds, Mexico will never exhaust its pre-Columbian treasures.
It is also likely that before they leave, the Soviet forces will launch a major offensive to exhaust the weapons supplies of the mujahedeen.
The Farm Credit System said its Jackson, Miss., Land Bank will exhaust its capital this month and appears dead in the water until President Reagan signs the federal bailout for the system and money begins flowing under the legislation.
The ratio means that it would take 1.47 months to exhaust inventories at the March pace.
Cars made for sale in California have different exhaust emission control systems than for general sale.
There was 'very great suspicion' that exhaust fumes were to blame.
The sulfur reductions are expected to help diesel engine manufacturers meet tighter particulate exhaust standards that will take effect in 1991 and 1994.
There are a growing number of repair "boutiques" specializing in a particular part of a car, such as the exhaust system, suspension or transmission.
Bennett had purchased a hose pipe on Dec. 5 that was used to siphon fumes into his car from the exhaust, the inquest heard.
"Residual fuel in the exhaust system of the auxiliary power unit produced a flash that caused evacuation of the aircraft as the aircraft awaited clearance to taxi to the terminal," Wren said in a prepared statement.
Rep. Stephen Solarz, D-N.Y., today urged the administration to exhaust all diplomatic attempts before turning to a military response.
When shuttles approach on servicing missions, thrust exhaust might fog Hubble's mirror, but Skillman said that can be prevented with careful maneuvering.
THE Monopolies and Mergers Commision is to investigate whether a sufficiently competitive market exists in the calibration and servicing of exhaust gas analysers.
"If you believe you couldn't walk outside or walk anywhere where there were exhaust fumes, you would be disabled.