DuckCorp Dico

Found one definition

1.                 From en.wiktionary.org:
                   
   
   
                   
                     
   
   ** English
   
   *** Alternative forms
   
    - [en]
   *** Etymology
   From [en].
   
   *** Noun
   [en-noun]
   
    1. A microscopic crack
   *** Verb
   [en-verb]
   
    1. To cause the formation of microscopic cracks
    2. * {{ quote-journal | en | year=1996 | author=E.M. Winkler | title=Properties of marble as building veneer | journal=International Journal of Rock Mechanics and Mining | volume=33 | issue=2 | doi=10.1016/0148-9062(95)00050-X
   |passage=Granitic rocks are MICROCRACKED by differential contraction during
   cooling of the magma.}}