- caving in, collapse
- تَقَوُّض \ caving in, collapse.
Arabic-English glossary. 2015.
caving in, collapse
Look at other dictionaries:
caving — keɪv n. natural underground tunnel, hollow opening in the ground v. collapse, cease to resist, submit; cause to collapse … English contemporary dictionary
cave-in — ˈ ̷ ̷ˌ ̷ ̷ noun ( s) 1. : the action of caving in : cave VI 2. : a place where earth has caved in * * * /kayv in /, n. 1. a collapse, as of anything hollow: the worst cave in in the history of mining. 2 … Useful english dictionary
Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold … Wikipedia
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cave — cavelike, adj. /kayv/, n., v., caved, caving. n. 1. a hollow in the earth, esp. one opening more or less horizontally into a hill, mountain, etc. 2. a storage cellar, esp. for wine. 3. Eng. Hist. a secession, or a group of seceders, from a… … Universalium
Subsidence — For subsidence in the atmosphere, see subsidence (atmosphere). A road destroyed by subsidence and shear, near Castleton, Derbyshire … Wikipedia
Hennepin Island tunnel — was a convert|2500|ft|m|sing=on long underground passage in Saint Anthony, Minnesota (now Minneapolis) dug beneath the Mississippi River riverbed between 1868 and 1869 to create a downstream spillway for hydro plants, milling and lumber business… … Wikipedia
Cenote — The Sacred Cenote at Chichén Itzá, Mexico. Cenote at Bolonchen … 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
coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… … Universalium
Cave — For other uses, see Cave (disambiguation). Cavern redirects here. For other uses, see Cavern (disambiguation). Lechuguilla Cave, New Mexico A cave or cavern is a natural underground space large enough for a human to enter. The term applies to… … Wikipedia
