1. 
   Hydrophane
   Hy'dro·phane noun [ Hydro- , 1 + Greek ... to show, appear: confer French hydrophane .] (Min.) A semitranslucent variety of opal that becomes translucent or transparent on immersion in water.
   Found op http://www.encyclo.co.uk/webster/H/77
   
   
2. 
   hydrophane
   <chemical> A semitranslucent variety of opal that becomes translucent or transparent on immersion in water. ... Origin: Hydro-, 1 + Gr. To show, appear: cf. F. Hydrophane. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?hydrophane
   
   
3. 
   Hydrophane
   • (n.) A semitranslucent variety of opal that becomes translucent or transparent on immersion in water.
   Found op http://thinkexist.com/dictionary/meaning/hydrophane/
   
   
4. 
   hydrophane
   (from the article `opal`) ...may crack or lose its colour if it dries, many finished stones are protected by water or films of oil until they are sold. Opals absorb liquids ...
   Found op http://www.britannica.com/eb/a-z/h/89
   
   
5. 
   hydrophane
   hydrophane 1. A semitranslucent variety of opal that becomes translucent or transparent when immersed in water. 1. An opal that is almost opaque when dry but transparent when wet.
   Found op http://www.wordinfo.info/words/index/info/view_unit/1627/
   
   
6. 
   Hydrophane
   Hydrophane is a porous, translucent opal, which on being placed in water becomes nearly transparent as the water is absorbed into the pores.
   Found op http://www.probertencyclopaedia.com/browse/HH.HTM
   
   

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