| a. | 1. | Of or pertaining to building or construction; architectural. |
| 2. | (Biol.) Structural. | |
| 3. | (Geol. & Phys. Geog.) Of, pert. to, or designating, the rock structures and external forms resulting from the deformation of the earth's crust; |
| Adj. | 1. | tectonic - pertaining to the structure or movement of the earth's crust; "tectonic plates"; "tectonic valleys" |
| 2. | tectonic - of or pertaining to construction or architecture Synonyms: architectonic |