being of fine grain or texture, as certain types of wood, leather, etc.
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British Dictionary definitions for fine-grained
(of wood, leather, etc) having a fine smooth even grain
detailed, in-depth, or involving fine detail
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012