10. 
    Ozone
    oxygen in molecular form with three atoms of oxygen forming each molecule (O3). Atmospheric oxygen is molecular in form but each molecule contains only two atoms of oxygen. Ozone is formed by passing high voltage electric charges through dry air. The thir
    Found op http://www.chemicalglossary.net/definition/1206-Ozone
    
    
11. 
    Ozone
    The allotrope of oxygen that contains 3 atoms in one molecule, the formula for ozone being O3.
    Found op http://www.chemicalglossary.net/definition/1217-Ozone
    
    
12. 
    Ozone
    Allotropic form of oxygen having three atoms in each molecule, formula O3. Ozone formed in atmosphere from nitrogen oxides and organic gases emitted by automobiles and industrial sources.
    Found op http://www.chemicalglossary.net/definition/1225-Ozone
    
    
13. 
    Ozone
    Swimming pool chemistry: The molecule containing three atoms of oxygen; known to be a very powerful sanitizer. Ozone producing equipment creates this molecule by UV radiation or corona discharge generators.
    Found op http://www.1st-direct.com/acatalog/Chemical_Glossary.html
    
    
14. 
    ozone
    A powerfully oxidizing allotropic form of the element oxygen. The ozone molecule contains three atoms (O₃). Ozone gas is decidedly blue, and both liquid and solid ozone are an opaque blue-black color, similar to that of ink.
    Found op http://www.encyclo.co.uk/local/20742
    
    
15. 
    Ozone
    A naturally occuring trace gas, chemical formula O3. In the stratosphere, it serves to absorb many harmful solar UV rays. More Information.
    Found op http://www.atm.ch.cam.ac.uk/tour/glossary.html
    
    
16. 
    ozone
    An isotope of oxygen that blocks ultra-violet radiation. Normally found in the stratosphere
    Found op http://www.fisicx.com/quickreference/science/glossary.html
    
    
17. 
    Ozone
    An unstable and chemically-reactive gas containing three oxygen atoms, formed at high altitudes by the action of sunlight on molecular oxygen. Present at low concentration in the stratosphere, ozone absorbs ultraviolet radiation from the sun and reduces the amount of this damaging radiation that rea...
    Found op http://www.frontierassoc.net/greenaffordablehousing/tools/ChemicalTerms.sht
    
    
18. 
    Ozone
    a poisonous form of oxygen that is present in the earth's upper atmosphere, where it helps to screen the earth from damaging ultraviolet rays
    Found op http://www.medichecks.com/glossary.cfm?ltr=O
    
    
19. 
    Ozone
    Ozone: A form of oxygen that consists of three atoms of oxygen, in contrast to normal atmospheric oxygen which consists of two atoms of oxygen. Ozone is an important greenhouse gas found in both the stratosphere and the troposphere. Ozone has effects beyond acting as a greenhouse gas. In the stratos...
    Found op http://www.medterms.com/script/main/art.html?articlekey=24605
    
    
20. 
    Ozone
    A kind of oxygen that has three atoms per molecule instead of the usual two. Ozone is a poisonous gas, but the ozone layer in the upper atmosphere shields life on earth from deadly ultraviolet radiation from space. The molecule contains three oxygen atoms (O3).
    Found op http://www.neo.ne.gov/statshtml/glossaryo.htm
    
    
21. 
    Ozone
    O'zone noun [ Greek 'o`zwn smelling, present participle of 'o`zein to smell. See Odor .] (Chemistry) A colorless gaseous substance (O...) obtained (as by the silent discharge of electricity in oxygen) as an allotropic ...
    Found op http://www.encyclo.co.uk/webster/O/63
    
    
22. 
    ozone
    <chemistry> A colourless gaseous substance (O) obtained (as by the silent discharge of electricity in oxygen) as an allotropic form of oxygen, containing three atoms in the molecule. It is a streng oxidizer, and probably exists in the air, though by he ordinary tests it is liable to be confuse...
    Found op http://www.mondofacto.com/facts/dictionary?ozone
    
    

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