air ventilation shaft

См. также в других словарях:

• Ventilation shaft — In subterranean civil engineering, ventilation shafts, also known as airshafts, are vertical passages used in mines and tunnels to move fresh air underground, and to remove stale air. In architecture, an airshaft is a small, vertical space within …   Wikipedia

• ventilation shaft — noun a shaft in a building; serves as an air passage for ventilation • Hypernyms: ↑shaft, ↑air passage, ↑air duct, ↑airway • Part Holonyms: ↑ventilation, ↑ventilation system, ↑ventilating system …   Useful english dictionary

• Shaft construction — concerns the building of vertical openings such as Raises and Shafts. Shafts are vertical openings used for supplying equipment, personnel, and support systems to the horizontal tunnel where the pipeline is installed. They can be temporary or… …   Wikipedia

• air — I (New American Roget s College Thesaurus) I n. atmosphere (See air); mien, bearing, appearance; tune, melody (See music). v. t. ventilate (See air); proclaim, broadcast (See publication). II Earth s atmosphere Nouns 1 …   English dictionary for students

• ventilation — noun 1. the act of supplying fresh air and getting rid of foul air (Freq. 3) • Syn: ↑airing • Derivationally related forms: ↑ventilate • Hypernyms: ↑improvement 2. a mechanical system in a building that provides fresh air …   Useful english dictionary

• air duct — noun a duct that provides ventilation (as in mines) • Syn: ↑air passage, ↑airway • Hypernyms: ↑duct • Hyponyms: ↑register, ↑snorkel, ↑ …   Useful english dictionary

• air passage — noun a duct that provides ventilation (as in mines) • Syn: ↑air duct, ↑airway • Hypernyms: ↑duct • Hyponyms: ↑register, ↑snorkel, ↑ …   Useful english dictionary

• shaft — noun ADJECTIVE ▪ deep ▪ vertical ▪ narrow ▪ elevator (AmE), lift (BrE) ▪ She almost fell down an elevator shaft …   Collocations dictionary

• ventilation system — noun a mechanical system in a building that provides fresh air she was continually adjusting the ventilation • Syn: ↑ventilation, ↑ventilating system • Derivationally related forms: ↑ventilate (for: ↑ventilation) …   Useful english dictionary

• air well — ☆ air well n. an open shaft passing through the floors of a building for ventilation …   English World dictionary

• air well — noun a shaft for ventilation • Syn: ↑air shaft • Hypernyms: ↑shaft * * * noun : a court enclosed within walls and open at the top for supplying air to windows called also air shaft * * * a ventilating shaft in a building. Also called air shaft …   Useful english dictionary