exhaust

from The American Heritage® Dictionary of the English Language, 5th Edition.

• intransitive verb To make extremely weary; wear out. synonym: tire.
• intransitive verb To remove a resource from; deplete.
• intransitive verb To use up completely: synonym: deplete.
• intransitive verb To discuss or treat completely; cover thoroughly.
• intransitive verb To let out the contents of (a container); cause or allow to escape.
• intransitive verb To let out or draw off (a gas, for example) from a container.
• intransitive verb To escape or pass out.
• noun The escape or release of vaporous waste material, as from an engine.
• noun The fumes or gases so released.
• noun A duct or pipe through which waste material is emitted.
• noun An apparatus for drawing out noxious air or waste material by means of a partial vacuum.

from The Century Dictionary.

• noun A pump, fan, or other device for removing air from a building, enclosure, or receptacle, by lowering the pressure in the egress-pipe or flue.
• noun . Same as exhaust-steam.
• noun Eduction; emission, as of steam from an engine.
• To draw out or drain off the whole of; draw out till nothing of the matter drawn is left; remove or take out completely: as, to exhaust the water of a well, or the air from a receiver; to exhaust the contents of a mine, or of one's purse.
• To use up or consume completely; expend or make away with the whole of; cause the total removal or loss of: as, to exhaust the fertility of the soil; to exhaust one's strength or resources; you have exhausted my patience.
• To empty by drawing out the contents of; make empty by drawing from; specifically, in chem., to empty or deprive of one or more ingredients by the use of solvents: as, to exhaust a closed vessel by means of an air-pump; to exhaust a cistern.
• Hence To make weak or worthless by deprivation of essential properties or possessions; despoil of strength, resources, etc.; make useless or helpless: as, a man exhausted by fatigue or disease; bad husbandry exhausts the land; the long war exhausted the country.
• To treat or examine exhaustively; take a complete view of; consider or view in all parts, bearings, or relations: as, to exhaust a topic, a study, or a pursuit; to exhaust a book by careful reading or study.
• . To draw forth; excite.
• Expended; drained; exhausted, as of energy or strength.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb To draw or let out wholly; to drain off completely
• transitive verb To empty by drawing or letting out the contents.
• transitive verb 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.
• transitive verb To bring out or develop completely; to discuss thoroughly.
• transitive verb (Chem.) To subject to the action of various solvents in order to remove all soluble substances or extractives.
• transitive verb (Physics) See under Receiver.
• adjective Drained; exhausted; having expended or lost its energy.
• adjective Pertaining to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work.
• adjective a forced draught produced by drawing air through a place, as through a furnace, instead of blowing it through.
• adjective 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.
• adjective (Steam Engine) the blast orifice or nozzle.
• adjective (Steam Engine) the pipe that conveys exhaust steam from the cylinder to the atmosphere or to the condenser.
• adjective (Steam Engine) the opening, in the cylinder or valve, by which the exhaust steam escapes.
• adjective (Milling) a machine for sorting grains, or purifying middlings by an exhaust draught.
• adjective (Steam Engine) steam which is allowed to escape from the cylinder after having been employed to produce motion of the piston.
• adjective (Steam Engine) a valve that lets exhaust steam escape out of a cylinder.
• noun (Steam Engine) The steam let out of a cylinder after it has done its work there.
• noun The foul air let out of a room through a register or pipe provided for the purpose.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb 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.
• verb To empty by drawing or letting out the contents; as, to exhaust a well, or a treasury.
• verb 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.
• verb To bring out or develop completely; to discuss thoroughly; as, to exhaust a subject.
• verb chemistry 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.
• noun A system consisting of the parts of an engine through which burned gases or steam are discharged; see also exhaust system.
• noun The steam let out of a cylinder after it has done its work there.