[sin-klahyn-l, sing-, sing-kli-nl]


sloping downward from opposite directions so as to meet in a common point or line.
  1. inclining upward on both sides from a median line or axis, as a downward fold of rock strata.
  2. pertaining to such a fold.

Origin of synclinal

1825–35; syn- + Greek klī́n(ein) to lean1 + -al1
Related formssyn·cli·nal·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for synclinal

Historical Examples of synclinal

  • Take, for example, one of the synclinal folds in the Appalachian chain.

    The Story of the Hills

    H. N. Hutchinson

  • If an anticlinal arch be a weak structure, a synclinal arrangement of strata is quite the opposite.

  • Synclinal strata therefore endure, while anticlinal strata are worn more readily away.

Word Origin and History for synclinal

"sloping downward on both sides," 1833 (in Lyell), from Greek synklinein "to incline, lean," from syn- "together" (see syn-) + klinein "to slope" (see lean (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper