incubator An equipment providing a closed controllable environment in which optimum conditions may be established for the nutrition, growth and preservation of organisms, whether bacterial or human. Incubators are used to culture bacteria and to promote the survival of premature babies. inÂ·cuÂ·baÂ·tor (in'kyÅ«-bÄ-tÅr)
Definitions for plate tectonic theory. tectonics, plate tectonics, plate tectonic theory(noun) the branch of geology studying the folding and faulting of the earth's crust. Chaldean Numerology. The numerical value of plate tectonic theory in Chaldean Numerology is: 5.
A: The theory of plate tectonics, formerly known as continental drift, is a working model that describes the movement of the continents and sea floor across the surface of the Earth. The theory explains many anomalous facts about Earth's geology, such as the present arrangement of landmasses.