(n.) the downward bend or subsidence of the earth's crust, which allows of the gradual accumulation of sediment, and hence forms the first step in the making of a mountain range; -- opposed to geanticlinal.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). geosynclinal. Retrieved September 21, 2026, from http://smartdefine.org/geosynclinal/definitions/2011986 |
| Chicago | Webster's. 2011. "geosynclinal" http://smartdefine.org/geosynclinal/definitions/2011986 (accessed September 21, 2026). |
| Harvard | Webster's 2011, geosynclinal, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/geosynclinal/definitions/2011986>. |
| MLA | Webster's. "geosynclinal" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/geosynclinal/definitions/2011986> |