SEAFLOOR SPREADING


Meaning of SEAFLOOR SPREADING in English

Function: noun

Date: 1969

: the divergence at mid-ocean ridges of the tectonic plates underlying the oceans that is due to upwelling from the earth's interior of magma which solidifies and adds to the spreading plates

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.