air-shaft
1Air shaft — A passage, usually vertical, for admitting fresh air into a mine or a tunnel. [1913 Webster] …
2air shaft — air′ shaft n. bui a ventilating shaft in a building • Etymology: 1685–95 …
3air shaft — n. 1. a passage through which fresh air can enter a tunnel, mine, etc. 2. AIR WELL …
4air shaft — noun a shaft for ventilation • Syn: ↑air well • Hypernyms: ↑shaft * * * noun : air well * * * 1. See air well. 2. Mining. a …
5air shaft — air duct; hole that allows air to pass in and out; blowhole …
6air shaft — Synonyms and related words: air duct, air hole, air passage, air tube, airway, blowhole, breathing hole, louver, louverwork, naris, nostril, shaft, spilehole, spiracle, touchhole, transom, vent, ventage, venthole, ventiduct, ventilating shaft,… …
7air shaft — 1. See air well. 2. Mining. a ventilating shaft. [1685 95] * * * …
8air shaft — noun a vertical (or near vertical) shaft that supplies ventilation to a tunnel or other underground facility …
9Air-shaft — Пневматический расширяющийся шпиндель (для крепления рулона) …
10air-shaft — …