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.
Geologists have an explanationâa scientific theoryâof how the Earth's surface behaves called plate tectonics. Tectonics means large-scale structure. So plate tectonics says that the large-scale structure of the Earth's outer shell is a set of plates. (see the map). Tectonic Plates.