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A waxy waterproof substance present in the cell walls of certain plant tissues, especially cork.

[French subérine : Latin sūber, cork + French -ine, adj. suff.; see -ine2.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Elements & Compounds) a fatty or waxy substance that is present in the walls of cork cells, making them impermeable to water and resistant to decay
[C19: from Latin sūber cork + -in]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(suˈbɛr ɪn)

a waxlike, fatty substance occurring in the cell walls of cork tissue, as in bark.
[1820–30; < Latin sūber cork]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
According to them, in some species, such as Zingiber officinale (Zingiberaceae), the observation of Casparian bands in the endodermis allowed researchers to verify that the pericycle is involved in the tuberisation process of the rhizome.
Sections were stained with Sudan red 7B (SR7B) for suberin lamellae [29], berberine hemisulfate-aniline blue (BAB) for Casparian bands and lignified cell walls [22, 30], phloroglucinol-HCl (Pg) for lignin [28], and toluidine blue O (TBO) [22] for cell walls.

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