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.
Plate tectonics is the scientific theory explaining the movement of the earthâs crust. It is widely accepted by scientists today. Recall that both continental landmasses and the ocean floor are part of the earthâs crust, and that the crust is broken into individual pieces called tectonic plates (Fig. 7.14).