any of various minute, hairlike mineral bodies occurring in certain vitreous igneous rocks, especially obsidian.
Origin of trichite
1865–70; < Greek trich-, stem of thríx hair + -ite1
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any of various needle-shaped crystals that occur in some glassy volcanic rocks
biology any of various hairlike structures
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