pericycle

[ per-uh-sahy-kuhl ]

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

Origin of pericycle

1
From the Greek word períkyklos, dating back to 1890–95. See peri-, cycle

Words Nearby pericycle

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use pericycle in a sentence

  • I am pointing now to the south side of Main Street, approximately in front of the concrete pylon of the south pericycle structure.

    Warren Commission (5 of 26): Hearings Vol. V (of 15) | The President's Commission on the Assassination of President Kennedy
  • The irritated pericycle and cortex then grow and form nodules of soft juicy root-tissue at which the insect continues to suck.

    Disease in Plants | H. Marshall Ward
  • 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

pericycle

/ (ˈpɛrɪˌsaɪkəl) /


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

Origin of pericycle

1
C19: from Greek perikuklos

Derived forms of pericycle

  • pericyclic (ˌpɛrɪˈsaɪklɪk, -ˈsɪk-), adjective

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

Scientific definitions for pericycle

pericycle

[ pĕrĭ-sī′kəl ]


  1. 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.

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