noun Botany.

a layer of modified tissue consisting of cells that are thickened at the angles and usually elongated.

Origin of collenchyma

1825–35; < New Latin < Greek kóll(a) glue + énchyma contents (en- en-2 + chy-, stem of cheîn to pour + -ma noun suffix denoting result of action)
Related formscol·len·chym·a·tous [kol-uh n-kim-uh-tuh s] /ˌkɒl ənˈkɪm ə təs/, col·len·chy·mat·ic [kuh-leng-kuh-mat-ik] /kəˌlɛŋ kəˈmæt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for collenchyma



a strengthening and supporting tissue in plants, consisting of elongated living cells whose walls are thickened with cellulose and pectins
Derived Formscollenchymatous (ˌkɒlənˈkɪmətəs), adjective

Word Origin for collenchyma

C19: New Latin, from Greek kolla glue + enkhuma infusion
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

collenchyma in Science



A supportive tissue of plants, consisting of elongated living cells with unevenly thickened, nonlignified walls. Collenchyma cells remain alive at maturity. Compare parenchyma sclerenchyma.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.