Look up: limestone

1. limestone
   Click images to enlargeSedimentary rock composed chiefly of calcium carbonate (CaCO₃), either derived from the shells of marine organisms or precipitated from solution, mostly in the ocean. Various types of limestone are used as building stone. Karst is a type of limestone landscape. Caves commonly ...
   Found on http://www.talktalk.co.uk/reference/ency
   
   
2. limestone
   A carbonate sedimentary rock composed of more than 50 percent of the mineral calcium carbonate (CaCO3).
   Found on http://www.ucmp.berkeley.edu/glossary/gl
   
   
3. Limestone
   A sedimentary rock made up of calcium carbonate.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
4. Limestone
   A rock composed mainly of calcium carbonate CaCO3. Limestones comprise a large variety of rocks including carbonate muds and oozes, chalks, ooliths and bioclastic limestone. They form in a variety of environments from deep sea (but above the carbonate compensation depth), temperate seas, tropical se...
   Found on http://www.geologyrocks.co.uk/glossary/l
   
   
5. limestone
   [n] - a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
   Found on http://www.webdictionary.co.uk/definitio
   
   
6. Limestone
   A sedimentary rock made of calcium carbonate. In the Knockan Crag area this type of rock is known as Durness limestone after the village on the north coast. It tells us that this part of Scotland was once near the equator since limestone can only form in warm shallow water: there needs to be a certa...
   Found on http://www.knockan-crag.co.uk/glossary.h
   
   
7. Limestone
   is a naturally occurring rock consisting principally of the carbonates of calcium and magnesium, in which the ratio by weight of CaCO3 to MgCO3 is not less than 1.2 to 1.0.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
8. Limestone
   a mineral made of calcium carbonate (CaCO3)
   Found on http://www.energyinst.org.uk/education/g
   
   
9. Limestone
   a sedimentary rock which composed mostly of calcium carbonate (calcite)
   Found on http://www.sedgwickmuseum.org/education/
   
   
10. limestone
    a) a stratified rock consisting principally of the mineral calcite (calcium carbonate); b) stone quarried from a limestone rock; rock consisting of calcium carbonate Category: Chemistry • (see flux) the most common flux, calcium carbonate. Category: General
    Found on http://www.mijnwoordenboek.nl/definition
    
    
11. Limestone
    Stone formed from the skeletons of marine animals. Limestone does not occur sufficiently widely in Scotland to be used as a building stone, but was commonly 'burned' to make quicklime for lime mortar, render, etc. Related Words: Lime mortar, render, limewashing
    Found on http://www.maintainyourchurch.org.uk/Too
    
    
12. Limestone
    A sedimentary rock, consisting predominantly of calcium carbonate.
    Found on http://www.encyclo.co.uk/visitor-contrib
    
    
13. Limestone
    Lime'stone` (līm'stōn`) noun A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains also magnesium carbonate, and is then called magnesian or dolomitic limestone . Crystalline limestone is called marble .
    Found on http://www.encyclo.co.uk/webster/L/43
    
    
14. limestone
    noun a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
    Found on http://wordnetweb.princeton.edu/perl/web
    
    
15. Limestone
    • (n.) A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains also magnesium carbonate, and is then called magnesian or dolomitic limestone. Crystalline limestone is called marble.
    Found on http://thinkexist.com/dictionary/meaning
    
    
16. limestone
    sedimentary rock composed mainly of calcium carbonate (CaCO3), usually in the form of calcite or aragonite. It may contain considerable amounts of ... [42 related articles]
    Found on http://www.britannica.com/eb/a-z/l/51
    
    
17. Limestone
    Sedimentary rock composed of carbonate minerals, especially calcium carbonate. Limestone can be created by clastic and non-clastic processes. Clastic limestones are formed from the break up and deposition of shells, coral and other marine organisms by wave-action and ocean currents. Non-clastic limestones can be formed either as a precipit...
    Found on http://www.physicalgeography.net/physgeo
    
    
18. LIMESTONE
    A sedimentary rock consisting mainly of calcium carbonate, (CaC03), derived from the accumulated deposition (and fossilisation) of the calcareous remains of marine or freshwater organisms.
    Found on http://www.cancaver.ca/docs/glossary.htm
    
    
19. limestone
    limestone, sedimentary rock wholly or in large part composed of calcium carbonate. It is ordinarily white but may be colored by impurities, iron oxide making it brown, yellow, or red and carbon making it blue, black, or gray. The texture varies from coarse to fine. Most limestones are formed by the ...
    Found on http://www.infoplease.com/ce6/sci/A08298
    
    
20. Limestone
    Limestone is one of the various forms in which calcic carbonate (carbonate of lime) occurs naturally. Other natural forms of the carbonate are marble, chalk, and calc-spar. When pure it has the composition of 57 per cent of lime and 43 of carbon dioxide. Most varieties of limestone are highly impure...
    Found on http://www.probertencyclopaedia.com/brow
    
    
21. limestone
    a sedimentary rock consisting essentially of carbonates (CO3). Organic limestone is produced from shells and skeletons of animals secreting calcium carbonate (CaCO3). An example of this form of limestone is chalk.
    Found on http://www.seafriends.org.nz/books/gloss
    
    
22. Limestone
    sedimentary rock composed of carbonate of lime: a form of calcium carbonate which can be carved on its own or ground up to make plaster when mixed with sand. See also Plaster
    Found on http://www.selectartusa.com/gloss.htm
    
    
23. Limestone
    `Limestone` is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate (CaCO₃). Like most other sedimentary rocks, limestone is composed of grains; however, most grains in limestone are skeletal fragments of m...
    Found on http://en.wikipedia.org/wiki/Limestone
    
    
24. Limestone
    (CDP) `Limestone` is a census-designated place (CDP) in the town of Limestone in Aroostook County, Maine, United States. The population was 1,453 at the 2000 census. Geography: Limestone is located at (46.91258, -67.826376). According to the United States Census Bureau, the CDP has a total ar...
    Found on http://en.wikipedia.org/wiki/Limestone
    
    
25. Limestone
    (disambiguation) `Limestone` is a sedimentary rock composed of the mineral calcite (calcium carbonate). `Limestone` may also refer to: Geological deposits made of limestone: Places : Two regions of the European Alps: In Canada: In the United States: Other uses :
    Found on http://en.wikipedia.org/wiki/Limestone