adit opening

См. также в других словарях:

• Adit — Ad it, n. [L. aditus, fr. adire, ?aitum, to go to; ad + ire to go.] 1. An entrance or passage. Specifically: The nearly horizontal opening by which a mine is entered, or by which water and ores are carried away; called also {drift} and {tunnel}.… …   The Collaborative International Dictionary of English

• Opening — (Roget s Thesaurus) < N PARAG:Opening >N GRP: N 1 Sgm: N 1 hole hole foramen Sgm: N 1 puncture puncture perforation Sgm: N 1 fontanel fontanel Sgm: N 1 transforation transforation Sgm: N 1 pinhole pinhole …   English dictionary for students

• adit — Synonyms and related words: access, admission, admittance, air lock, approach, channel, conduit, corridor, course, ditch, duct, egress, entrance, entranceway, entree, entry, entryway, exit, gangplank, gangway, hall, in, ingress, inlet, intake,… …   Moby Thesaurus

• opening — Synonyms and related words: a leg up, abysm, abyss, access, adit, air lock, aisle, alley, alpha, ambulatory, aperture, apparition, appearance, appearing, appointment, approach, arcade, arising, arroyo, artery, avatar, avenue, bareness, barrenness …   Moby Thesaurus

• Catania — Infobox CityIT official name = Comune di Catania img coa = Catania Stemma Alt.png img coa small = image caption = u Liotru , symbol of Catania region = RegioneIT|sigla=SIC province = ProvinciaIT (short form)|sigla=CT (CT) mayor = Raffaele… …   Wikipedia

• drift — Adit Ad it, n. [L. aditus, fr. adire, ?aitum, to go to; ad + ire to go.] 1. An entrance or passage. Specifically: The nearly horizontal opening by which a mine is entered, or by which water and ores are carried away; called also {drift} and… …   The Collaborative International Dictionary of English

• tunnel — Adit Ad it, n. [L. aditus, fr. adire, ?aitum, to go to; ad + ire to go.] 1. An entrance or passage. Specifically: The nearly horizontal opening by which a mine is entered, or by which water and ores are carried away; called also {drift} and… …   The Collaborative International Dictionary of English

• tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   Universalium

• South Crofty — s.HistorySouth Crofty Mine, at Pool between Camborne and Redruth, is an ancient tin mine. For several centuries its shallow workings exploited copper rather than the deeper tin mineralisation. References implying mining, rather than streaming,… …   Wikipedia

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

• Mount Lowe Railway — U.S. National Register of Historic Places …   Wikipedia