Look up: barium

1. 
   Barium
   Barium is a silver-white, malleable, toxic, bivalent metallic element of the alkaline-earth group that occurs only in combination. It has the symbol Ba.
   Found on http://www.encyclo.co.uk/nol.php
   
   
2. 
   barium
   [n] - a soft silvery metallic element of the alkali earth group
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. 
   Barium
   Elemental barium does not occur naturally. It is obtained by heating BaO with Al and, once refined, barium is a silvery white, soft metal which oxidises readily in air and water. Barium compounds, particularly BaSO₄ , are used for various applications, including the manufacture of paint, as an addition to heavy duty drilling oils and in ...
   Found on http://www.diracdelta.co.uk/science/sour
   
   
4. 
   Barium
   CAS Number: 7440-39-3. A silvery-white metal found in nature. Barium enters the environment during the mining, refining, and production of barium compounds, and from the burning of coal and oil. Barium compounds are used by the oil and gas industries to m
   Found on http://www.chemicalglossary.net/definiti
   
   
5. 
   Barium
   (barium enema, barium meal) Barium is a soft, white metal. Barium sulphate is used for X-rays of the digestive system. It is given as a white liquid drink (known as a barium meal) or into the back passage (a barium enema). X-rays cannot go through it, so when the X-ray pictures are taken, the outline of the stomach or bowel shows up on the X-ray...
   Found on http://www.cancerhelp.org.uk/glossary.as
   
   
6. 
   Barium
   Metal extracted from the North Pennine barytes and witherite ores. This was used in pottery glazes, glass, paints, dyestuffs, poisons and explosives.
   Found on http://www.keystothepast.info/durhamcc/k
   
   
7. 
   barium
   A white substance which shows up on X-rays and can be swallowed to outline the stomach (Barium meal) or introduced via the anus to outline the colon (Barium enema).
   Found on http://digestivedisorders.org.uk/Default
   
   
8. 
   Barium
   Barium: 1. A metallic element belonging to the alkaline earths with an atomic number of 56 and an atomic weight of 137.34. The symbol for barium is Ba. 2. In medicine, refers to a chalky solution of barium used to coat the inside of organs so that they will show up on an x-ray. See also: Barium enema; Barium swallow.
   Found on http://www.medterms.com/script/main/art.
   
   
9. 
   barium
   chemical element:atomic number 56 Category: Chemistry
   Found on http://www.mijnwoordenboek.nl/definition
   
   
10. 
    Barium
    Ba'ri·um noun [ New Latin , from Greek bary`s heavy.] (Chemistry) One of the elements, belonging to the alkaline earth group; a metal having a silver-white color, and melting at a very high temperature. It is difficult to obtain the pure metal, from the facility with which it becomes oxidized in the air. Atomic weight, 137. Symbol, Ba. Its oxide called baryta . [ Rarel ...
    Found on http://www.encyclo.co.uk/webster/B/15
    
    
11. 
    barium
    <chemistry> One of the elements, belonging to the alkaline earth group; a metal having a silver-white colour, and melting at a very high temperature. It is difficult to obtain the pure metal, from the facility with which it becomes oxidized in the air. Symbol, Ba. Its oxide called baryta. [Rarely written barytum. ... Some of the compounds of t ...
    Found on http://www.mondofacto.com/facts/dictiona
    
    
12. 
    barium
    Ba noun a soft silvery metallic element of the alkali earth group; found in barite
    Found on http://wordnet.princeton.edu/perl/webwn?
    
    
13. 
    Barium
    `Barium` is a chemical element. It has the symbol `Ba`, and atomic number 56. Barium is a soft silvery metallic alkaline earth metal. It is never found in nature in its pure form due to its reactivity with air. Its oxide is historically known as baryta but it reacts with water and carbon dioxide and is not found as a mineral. The most common naturally occurring minerals are the very insoluble barium sulfate, BaSO4 (barite), and barium carbonate, ...
    Found on http://en.wikipedia.org/wiki/Barium
    
    
14. 
    barium
    (Ba) (bar´e-әm) a chemical element, atomic number 56, atomic weight 137.34. Ingestion of excessive amounts can be toxic, occasionally resulting in paralysis or fatal hypokalemia. barium sulfate a water-insoluble salt used as an opaque contrast medium for...
    Found on http://www.mercksource.com/pp/us/cns/cns
    
    
15. 
    Barium
    • (n.) One of the elements, belonging to the alkaline earth group; a metal having a silver-white color, and melting at a very high temperature. It is difficult to obtain the pure metal, from the facility with which it becomes oxidized in the air. Atomic weight, 137. Symbol, Ba. Its oxide called baryta.
    Found on http://thinkexist.com/dictionary/meaning
    
    
16. 
    barium
    (Ba), chemical element, one of the alkaline-earth metals of main Group IIa of the periodic table. The element is used in metallurgy, and its ... [3 related articles]
    Found on http://www.britannica.com/eb/a-z/b/22
    
    
17. 
    barium
    barium What is done when people are dead.
    Found on http://www.wordinfo.info/words/index/inf
    
    
18. 
    barium
    A metallic, alkaline, divalent earth element; atomic no. 56, atomic wt. 137.327. Insoluble salts are often used in radiology as contrast media. [G. barys, heavy]
    Found on http://www.stedmans.com/section.cfm/45
    
    
19. 
    barium
    (Ba) A soft, silvery-white metallic element that readily tarnishes in air. Barium is one of the alkaline earth metals. It was discovered by Humphry Davy in 1808 and occurs chiefly as barite (barium sulfate, BaSO₄) and as witherite (barium carbonate, B...
    Found on http://www.daviddarling.info/encyclopedi
    
    
20. 
    barium
    barium (bâr'ēum) [Gr.,=heavy], metallic chemical element; symbol Ba; at. no. 56; at. wt. 137.33; m.p. 725°C; b.p. 1,640°C; sp. gr. 3.5 at 20°C; valence +2. Barium is a soft, silver-white, chemically active, poisonous metal with a face-centered cubic crystalline structure. ...
    Found on http://www.infoplease.com/ce6/sci/A08062