Dictionary > Exhaust

Exhaust

Exhaust
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, a valve that lets exhaust steam escape out of a cylinder.
Origin: L. Exhaustus, p.p.
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. (Science: 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. Exhausted receiver.
(Science: physics) see receiver.
Synonym: to spend, consume, tire out, weary.
Origin: L. Exhaustus, p.p. Of exhaurire; ex out – haurire, haustum, to draw, esp. Water; perhaps akin to Icel. Asua to sprinkle, pump.


You will also like...

"Opabinia regalis"
The Evolutionary Development of Multicellular Organisms

Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..

Adaptation Tutorial
Adaptation Tutorial

Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..

Genetics – Lesson Outline & Worksheets
Genetics – Lesson Outline & Worksheets

  Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics – Definition: Heredity and ..

Homo Species
The Homo Species

The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..

The process of photosynthesis
Photosynthesis – Photolysis and Carbon Fixation

Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..

Freshwater aquatic plankton
Freshwater Communities & Plankton

Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..