Seafloor Spreading Definition
noun
The outward movement of the seafloor from central underwater ridges as a result of plate tectonics ; the major cause of continental drift .
Wiktionary
Other Word Forms of Seafloor Spreading
Noun
Singular:
seafloor spreading
Plural:
seafloor spreadingsRelated Articles
Find Similar Words
Find similar words to seafloor spreading using the buttons below.