1》 N. Amer. a tree that has been blown down by the wind.
2》 the removal of solids or liquids from a container or pipe using pressure.

English new terms dictionary. 2014.

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  • Blowdown — may refer to:* Windthrow * Blowdown stack * Boiler blowdown * The sudden release of the contents of a nuclear power plant s reactor pressure vessel due to a materials failure, such as a crack in that vessel …   Wikipedia

  • Blowdown stack — A blowdown stack is a chimney or vertical stack that is used to vent the pressure of components of a chemical, refinery or other process if there is a process problem or emergency. A blowdown stack can be used to complement a flare stack or as an …   Wikipedia

  • blowdown — noun Date: 1895 1. an instance of trees being blown down by the wind 2. a tree blown down; also an area of such trees …   New Collegiate Dictionary

  • Blowdown — Das Bermudadreieck, auch Teufelsdreieck genannt, ist die inoffizielle Bezeichnung eines Seegebietes, das sich im westlichen Atlantik nördlich der Karibik befindet und durch einige, zum Teil ungeklärte Vorfälle bekannt wurde, bei denen Schiffe,… …   Deutsch Wikipedia

  • blowdown — /bloh down /, n. 1. Auto. a procedure for measuring the compression within an engine to identify certain mechanical defects, such as worn piston rings. 2. a tree or stand of timber that has been blown down by the wind. [1880 85 for earlier sense; …   Universalium

  • blowdown — noun a) The removal of liquid and solid hydrocarbons from a refinery vessel by the use of pressure b) Cooling fluid discharged from a plant at the end of its cycle …   Wiktionary

  • blowdown — n. method for measuring compression in an engine (in order to diagnose malfunctions); tree that has been knocked down by strong winds n. water drawn from a boiler or water heater in order to remove suspended particles and reduce the buildup of… …   English contemporary dictionary

  • blowdown — The escape of gases between the opening of the exhaust valve and the piston reaching bottom dead center, or in a two stroke engine between exhaust port opening and transfer port opening …   Dictionary of automotive terms

  • blowdown — ˈ ̷ ̷ˌ ̷ ̷ noun ( s) Etymology: blow down 1. a. : the action of blowing down something b. : a severe wind storm that blows over trees or structures c …   Useful english dictionary

  • blowdown tunnel — A type of wind tunnel in which stored compressed gas is allowed to expand through a test section to provide a stream of gas or air for model testing. The downstream side may or may not be reduced in pressure to provide greater expansion potential …   Aviation dictionary

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