WordReference Random House Unabridged Dictionary of American English © 2025
in•tra•tel•lu•ric
(in′trə tə lŏŏr′ik),USA pronunciation adj.
- Geologylocated in, taking place in, or resulting from action beneath the lithosphere.
- Rocks[Petrog.]noting or pertaining to crystallization of magma that begins previous to its extrusion on the surface.
- intra- + telluric1 1885–90