orthotectonic [ or·thotec·to·nic ]
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Adjective
1. Relating to or formed by a kind of deformation associated with an orthogeosyncline, producing complicated systems of fold belts (such as those of the Alps) and characterized by much magmatism and lateral thrusting; compare paratectonic .
2. Denoting or relating to an orogenic belt developed at the margin of a continent adjacent to a destructive plate boundary.
Origin
1. 1950s; earliest use found in Lamoraal Ulbo de Sitter (b. 1902). From ortho- + tectonic.

