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Look up:
chalk
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chalk
A soft compact calcite, CaCO3, with varying amounts of silica, quartz, feldspar, or other mineral impurities, generally gray-white or yellow-white and derived chiefly from fossil seashells.
Found op http://www.ucmp.berkeley.edu/glossary/glossary_2.html
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Chalk
Chalk is a soft, white type of limestone (a sedimentary rock ). It consists mostly of calcium carbonate (CaCO3) from ancient, microscopic, single-celled marine invertebrate shells. This type of rock is very porous, soft (a hardness of 3 on the Mohs scale), and crumbly. The chalk used to draw with is...
Found op http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
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Chalk
A fine grained, white calcium carbonate composed of coccoliths. Common in the Cretaceous of western Europe. The White Cliffs of Dover are a classic example of chalk cliffs.
Found op http://www.geologyrocks.co.uk/glossary/letter/m
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chalk
[n] - a soft whitish calcite 2. [n] - a pure flat white with little reflectance 3. [n] - a piece of chalk (or similar substance) used for writing on blackboards or other surfaces 4. [v] - write, draw, or trace with chalk
Found op http://www.webdictionary.co.uk/definition.php?query=chalk
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Chalk
Powder used on hands for secure grip.
Found op http://www.netfit.co.uk/glossary/fitness-glossary-c.htm
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Chalk
Not regular children's chalk, this is specially designed to be safe for Scrapbooking and used in similar paper arts.
Found op http://www.scrapdirectory.co.uk/scrapbook-pages-glossary.htm
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Chalk
A soft type of limestone which when finely ground can be used to reduce soil acidity
Found op http://www.encyclo.co.uk/visitor-contributions.php
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chalk
Soft limestone (made from gypsum) used in stick form as a drawing medium; mixed with pigment and a binding agent it is an ingredient used to make crayons. Chalk drawings exist from prehistoric times...
Found op http://www.encyclo.co.uk/local/20688
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Chalk
a variety of white limestone made from tiny mud-sized particles. The Chalk forms many of the low rounded hills in the south-east of England and was formed during the Cretaceous period
Found op http://www.sedgwickmuseum.org/education/glossary.html
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Chalk
White or off-white inorganic material composed of calcium carbonate. Naturally occurring, although also produced industrially throughout the twentieth century.
Found op http://www.tate.org.uk/collections/glossary/definition.jsp?entryId=472
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Chalk
Chalk noun [ Anglo-Saxon cealc lime, from Latin calx limestone. See Calz , and Cawk .] 1. (Min.) A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and hav...
Found op http://www.encyclo.co.uk/webster/C/51
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Chalk
Chalk transitive verb [ imperfect & past participle Chalked ; present participle & verbal noun Chalking .] 1. To rub or mark with chalk. 2. To manure with chalk, as land. ...
Found op http://www.encyclo.co.uk/webster/C/51
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chalk
Synonym: calcium carbonate. ... Origin: L. Calx ... (05 Mar 2000) ...
Found op http://www.mondofacto.com/facts/dictionary?chalk
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chalk
noun a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces
Found op http://wordnetweb.princeton.edu/perl/webwn?s=chalk
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chalk
noun a pure flat white with little reflectance
Found op http://wordnetweb.princeton.edu/perl/webwn?s=chalk
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chalk
noun a soft whitish calcite
Found op http://wordnetweb.princeton.edu/perl/webwn?s=chalk
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chalk
verb write, draw, or trace with chalk
Found op http://wordnetweb.princeton.edu/perl/webwn?s=chalk
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Chalk
• (n.) Finely prepared chalk, used as a drawing implement; also, by extension, a compound, as of clay and black lead, or the like, used in the same manner. See Crayon. • (v. t.) To manure with chalk, as land. • (n.) A soft, earthy substance, of a white, grayish, or yellowish white col...
Found op http://thinkexist.com/dictionary/meaning/chalk/
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chalk
soft, fine-grained, easily pulverized, white-to-grayish variety of limestone. Chalk is composed of the shells of such minute marine organisms as ... [9 related articles]
Found op http://www.britannica.com/eb/a-z/c/51
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Chalk
[film] Joe Amodei | writer = Mike Akel and Chris Mass | starring = Chris Mass Troy Schremmer Janelle Schremmer Shannon Haragan | music = Chris Jagich Ryan Greene | cinematography = Steven Schaefer | editing = Bob Perkins | studio = Gravitas Ventures Warrior Poets Someday Soon Productions Art...
Found op http://en.wikipedia.org/wiki/Chalk_(film)
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Chalk
[military] In military terminology, a chalk is a specific aircraft load, especially a group of airborne soldiers which deploy from a single aircraft. A chalk often corresponds to a platoon sized unit for air-assault operations, or a company-minus sized organization for airborne operations. F...
Found op http://en.wikipedia.org/wiki/Chalk_(military)
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Chalk
[TV series] The series focuses upon deputy headteacher Eric Slatt (David Bamber), permanently stressed over the chaos he creates both by himself and some of his eccentric staff. His wife Janet (Geraldine Fitzgerald) and new English teacher Suzy Travis (Nicola Walker) attempt to help him solv...
Found op http://en.wikipedia.org/wiki/Chalk_(TV_series)
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chalk
Type: Term Pronunciation: chawk Synonyms: calcium carbonate
Found op http://www.medilexicon.com/medicaldictionary.php?t=16448
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Chalk
soft, white, porous sedimentary rock, a form of limestone composed of calcite coccolith plates.
Found op http://en.wikipedia.org/wiki/Glossary_of_geology
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Chalk
Chalk (k) is a soft, white, porous sedimentary rock, a form of limestone composed of the mineral calcite. Calcite is calcium carbonate or CaCO3. It forms under reasonably deep marine conditions from the gradual accumulation of minute calcite plates (coccoliths) shed from micro-organisms called cocc...
Found op http://en.wikipedia.org/wiki/Chalk
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