endolithic

[en-doh-lith-ik]

adjective

living embedded in the surface of rocks, as certain lichens.

Origin of endolithic

First recorded in 1885–90; endo- + -lithic
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British Dictionary definitions for endolithic

endolithic

adjective

(of organisms, such as algae) growing inside rock
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