vertical shaft

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• vertical shaft —    These are formed by underground water dripping of flowing straight downward through the limestone along vertical cracks. Uniformly distributed dissolution of the rock results in a silo or well shaped passage so that most of them appear roughly …   Lexicon of Cave and Karst Terminology

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

• vertical cave —    A vertical passage within a cave system, formed along joints by which underground watercourses are transferred from a higher to a lower bedding plane [19].    They may become transformed into vertical shafts by sufficiently uniform dissolution …   Lexicon of Cave and Karst Terminology

• Shaft mine —   A mine that reaches the coal bed by means of a vertical shaft.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

• vertical — adjective workers enter through a vertical shaft Syn: upright, erect, perpendicular, plumb, straight up and down, on end, standing, upstanding, bolt upright Ant: horizontal …   Thesaurus of popular words

• 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

• Shaft alignment — is the process to align two or more shafts with each other to within a tolerated margin. It is an absolute requirement for machinery before the machinery is put in service.When a driver like an electric motor or a turbine is coupled to a pump, a… …   Wikipedia

• Shaft — can refer to: Edwin Shaft WhiteLong narrow passages: * Edwin White * Elevator shaft * Ventilation shaft * Pitch (vertical space), a significant underground vertical space in caving terminology * Shaft mining * Shafting, illicit travelling through …   Wikipedia

• shaft — [shaft, shäft] n. [ME schaft < OE sceaft, akin to Ger schaft < IE base * (s)kap , to cut with a sharp tool > SHAVE, Gr skapos, rod, L scapus, shaft, stalk] 1. a) the long stem or body of an arrow or spear b) an arrow or spear 2. a… …   English World dictionary

• Vertical — Ver ti*cal, a. [Cf. F. vertical. See {Vertex}.] [1913 Webster] 1. Of or pertaining to the vertex; situated at the vertex, or highest point; directly overhead, or in the zenith; perpendicularly above one. [1913 Webster] Charity . . . is the… …   The Collaborative International Dictionary of English

• Vertical angle — Vertical Ver ti*cal, a. [Cf. F. vertical. See {Vertex}.] [1913 Webster] 1. Of or pertaining to the vertex; situated at the vertex, or highest point; directly overhead, or in the zenith; perpendicularly above one. [1913 Webster] Charity . . . is… …   The Collaborative International Dictionary of English