Geol.
a major geologic discontinuity or suture marking the juncture of lithospheric plates that have been joined by plate tectonics.
Geol.
a major geologic discontinuity or suture marking the juncture of lithospheric plates that have been joined by plate tectonics.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012