[sing-kluh-nawr-ee-uh m, -nohr-]
noun, plural syn·cli·no·ri·a [sing-kluh-nawr-ee-uh, -nohr-ee-uh] /ˌsɪŋ kləˈnɔr i ə, -ˈnoʊr i ə/, syn·cli·no·ri·ums. Geology.
  1. a regional structure of general synclinal form that includes a series of smaller folds.
Compare anticlinorium.

Origin of synclinorium

From New Latin, dating back to 1875–80; see origin at syncline, -ory2
Related formssyn·cli·no·ri·al, syn·cli·no·ri·an, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for synclinorium


noun plural -ria (-rɪə)
  1. a vast elongated syncline with its strata further folded into anticlines and synclines

Word Origin for synclinorium

C19: New Latin, from syncline + -orium, suffix indicating a place
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012