10. 
    Allotropy
    • (n.) The property of existing in two or more conditions which are distinct in their physical or chemical relations.
    Found op http://thinkexist.com/dictionary/meaning/allotropy/
    
    
11. 
    allotropy
    the existence of a chemical element in two or more forms, which may differ in the arrangement of atoms in crystalline solids or in the occurrence of ... [7 related articles]
    Found op http://www.britannica.com/eb/a-z/a/50
    
    
12. 
    allotropy
    allotropy, allotropism 1. The existence of a solid substance in different physical forms. Tin, for example, has metallic and non-metallic crystalline forms. Carbon has two crystalline allotropes: diamond and graphite. The term allotropes may also be used to refer to the molecular forms of an eleme...
    Found op http://www.wordinfo.info/words/index/info/view_unit/2192/
    
    
13. 
    Allotropy
    Allotropy or allotropism is the property of some chemical elements to exist in two or more different forms, known as allotropes of these elements. Allotropes are different structural modifications of an element; the atoms of the element are bonded together in a different manner. For example, the al...
    Found op http://en.wikipedia.org/wiki/Allotropy
    
    
14. 
    allotropy
    Allotropy is the existence of an element in two or more forms, known as allotropes, in the same state (solid, liquid, or gas). The physical properties (color, crystalline form if solid, density, etc.) may differ widely, but identical chemical compounds can be formed from the various allotropes of th...
    Found op http://www.daviddarling.info/encyclopedia/A/allotropy.html
    
    
15. 
    allotropy
    allotropy (ulo'trupē) [Gr.,=other form]. A chemical element is said to exhibit allotropy when it occurs in two or more forms in the same physical state; the forms are called allotropes. Allotropes generally differ in physical properties such as color and hardness; they may also differ in m...
    Found op http://www.infoplease.com/ce6/sci/A0803422.html
    
    
16. 
    Allotropy
    Allotropy (from the Greek allos, other and tropos, habit), is a term used to express the fact that one and the same element may exist in different forms, differing widely in external physical properties. Thus, carbon occurs as the diamond, and as charcoal and plumbago, and is therefore regarded as a...
    Found op http://www.probertencyclopaedia.com/browse/GA.HTM
    
    
17. 
    allotropy
    Property whereby an element can exist in two or more forms (allotropes), each possessing different physical properties but the same state of matter (gas, liquid, or solid). The allotropes of carbon are diamond, fullerene, and graphite. Sulphur has several allotropes (flowers of sulphur, plastic, rho...
    Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0010209.html
    
    
18. 
    allotropy
    1) Allotropism 2) Chemical phenomenon
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/allotropy/1
    
    

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