ˈlithik, -ēk adjective
Etymology: Greek lithikos, from lith- + -ikos -ic
1. : of or relating to stone
eruptions in which only old lithic debris is expelled — Journal of Geology
especially : made of stone
lithic artifacts
2.
[ lith- + -ic ]
: of or relating to lithium
• lith·i·cal·ly -thə̇k(ə)lē, -ēk-, -li adverb