[ per-uh-sahy-kuh l ]
/ ˈpɛr əˌsaɪ kəl /

noun Botany.

the outermost cell layer of the stele in a plant, frequently becoming a multilayered zone.

Origin of pericycle

From the Greek word períkyklos, dating back to 1890–95. See peri-, cycle Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pericycle

  • The number of xylem groups is fairly large and the development of the xylem is from the pericycle towards the centre of the stele.

    A Handbook of Some South Indian Grasses|Rai Bahadur K. Ranga Achariyar

British Dictionary definitions for pericycle


/ (ˈpɛrɪˌsaɪkəl) /


a layer of plant tissue beneath the endodermis: surrounds the conducting tissue in roots and certain stems

Derived Forms

pericyclic (ˌpɛrɪˈsaɪklɪk, -ˈsɪk-), adjective

Word Origin for pericycle

C19: from Greek perikuklos
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

Science definitions for pericycle


[ pĕrĭ-sī′kəl ]

A layer of nonvascular tissue that surrounds the vascular tissues in the roots of plants and is in turn surrounded by the endodermis. New lateral roots begin growth from the pericycle.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.