Definitions

1. adjective

relating to or living in the pores or crevices of rocks, especially lichens

“The endolithic lichens in the desert rocks were surprisingly resilient.”

2. adjective

growing or living within rocks or stone

“The unique endolithic organisms found in the rocky outcrops have fascinated scientists.”

3. noun

an organism that lives in the pores or crevices of rocks, especially a lichen

“The research focused on the diverse endolithic communities found in the geological formations.”