PLATE TECTONICS


Meaning of PLATE TECTONICS in English

transcription, транскрипция: [ noun plural but singular in construction ]

Date: 1969

1. : a theory in geology: the lithosphere of the earth is divided into a small number of plates which float on and travel independently over the mantle and much of the earth's seismic activity occurs at the boundaries of these plates

2. : the process and dynamics of tectonic plate movement ; also : a similar process on a body other than earth — compare continental drift

• plate-tectonic adjective

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.