ˈ ̷ ̷ ˌ ̷ ̷ - noun
: the divergence at midocean ridges of the tectonic plates underlying the oceans that is due to upwelling from the earth's interior of magma which forms new crust
ˈ ̷ ̷ ˌ ̷ ̷ - noun
: the divergence at midocean ridges of the tectonic plates underlying the oceans that is due to upwelling from the earth's interior of magma which forms new crust
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012