1. 
   microcrystalline
   said of a rock consisting of mineral grains that are distinguishable only under a microscope; cf. cryptocrystalline.
   Found op http://www.cst.cmich.edu/users/dietr1rv/gemrxAppB.htm
   
   
2. 
   microcrystalline
   [adj] - containing crystals that are visible only under a microscope
   Found op http://www.webdictionary.co.uk/definition.php?query=microcrystalline
   
   
3. 
   Microcrystalline
   Mi`cro·crys'tal·line adjective [ Micro- + crystalline .] (Crystallog.) Crystalline on a fine, or microscopic, scale; consisting of fine crystals; as, the ground mass of certain porphyrics is microcrystalline .
   Found op http://www.encyclo.co.uk/webster/M/62
   
   
4. 
   microcrystalline
   <chemistry> Crystalline on a fine, or microscopic, scale; consisting of fine crystals; as, the ground mass of certain porphyrics is microcrystalline. ... Origin: Micro- + crystalline. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?microcrystalline
   
   
5. 
   microcrystalline
   adjective containing crystals that are visible only under a microscope
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=microcrystalline
   
   
6. 
   microcrystalline
   (mi″kro-kris″tә-lin) made up of minute crystals.
   Found op http://www.encyclo.co.uk/local/21001
   
   
7. 
   Microcrystalline
   • (a.) Crystalline on a fine, or microscopic, scale; consisting of fine crystals; as, the ground mass of certain porphyrics is microcrystalline.
   Found op http://thinkexist.com/dictionary/meaning/microcrystalline/
   
   
8. 
   Microcrystalline
   A microcrystalline material is a crystallized substance or rock that contains small crystals visible only through microscopic examination. ...
   Found op http://en.wikipedia.org/wiki/Microcrystalline
   
   
9. 
   Microcrystalline
   Microcrystalline refers to a rock in which the crystals are too small to be seen without a microscope.
   Found op http://www.probertencyclopaedia.com/browse/HM.HTM
   
   
10. 
    microcrystalline
    Type: Term Pronunciation: mī′krō-krys′tă-lin Definitions: 1. Occurring in minute crystals.
    Found op http://www.medilexicon.com/medicaldictionary.php?t=55141
    
    
11. 
    microcrystalline
    1) Crystalline
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/microcrystalline/1
    
    

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