Tectonic
Tectonic , adjective
[Latin tectonicus, Greek {not transcribed}, from {not transcribed}, {not transcribed}, a carpenter, builder.]
1.
Of or pertaining to building or construction; architectural.
2.
(Biology) Structural.
3.
(Geology & Physics Geography) Of, pert. to, or designating, the rock structures and external forms resulting from the deformation of the earth's crust; as, tectonic arches or valleys; tectonic plates.