geosyncline

[ jee-oh-sin-klahyn ]
/ ˌdʒi oʊˈsɪn klaɪn /

noun Geology.

a portion of the earth's crust subjected to downward warping during a large span of geologic time; a geosynclinal fold.

Origin of geosyncline

First recorded in 1890–95; geo- + syncline

Example sentences from the Web for geosyncline

British Dictionary definitions for geosyncline

geosyncline
/ (ˌdʒiːəʊˈsɪŋklaɪn) /

noun

a broad elongated depression in the earth's crust containing great thicknesses of sediment

Derived forms of geosyncline

geosynclinal, adjective

Scientific definitions for geosyncline

geosyncline
[ jē′ō-sĭnklīn′ ]

A usually elongate, basinlike depression along the edge of a continent, in which a thick sequence of sediments and volcanic deposits has accumulated.