[dih-sek-tid, dahy-]
  1. Botany. deeply divided into numerous segments, as a leaf.
  2. Physical Geography. separated, by erosion, into many closely spaced crevices or gorges, as the surface of a plateau.

Origin of dissected

First recorded in 1625–35; dissect + -ed2
Related formsun·dis·sect·ed, adjectivewell-dis·sect·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for undissected


  1. botany in the form of narrow lobes or segmentsdissected leaves
  2. geology (of plains) cut by erosion into hills and valleys, esp following tectonic movements
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