4 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
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.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
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.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
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.
From WordNet r 1.6 [wn]:
exhaust
n 1: gases ejected from an engine as waste products [syn: {exhaust
fumes}, {fumes}]
2: the parts of an engine through which burned gases or steam
are discharged [syn: {exhaust system}]
v 1: wear out completely; "This kind of work exhausts me"; "I'm
beat" [syn: {beat}, {tucker}, {tucker out}]
2: use up as of resources or materials; "this car consumes a
lot of gas"; "We exhausted our savings"; "They run through
20 bottles of wine a week" [syn: {consume}, {eat up}, {use
up}, {eat}, {deplete}, {run through}, {wipe out}]
3: deplete; "exhaust one's savings" [syn: {run down}, {sap}, {tire},
{use up}]
4: use up the whole supply of "We have exhaustet the food
supplies"
5: create a vacuum in (a bulb, flask, reaction vessel, etc.)
[syn: {evacuate}]
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