suberin

American  

[soo-ber-in] / suˈbɛr ɪn /

noun

Botany.

1. a waxlike, fatty substance, occurring in cork cell walls and in or between other cells, that on alkaline hydrolysis yields chiefly suberic acid.

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suberin British  

/ ˈsjuːbərɪn /

noun

1. a fatty or waxy substance that is present in the walls of cork cells, making them impermeable to water and resistant to decay

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suberin Scientific  

/ so̅o̅′bər-ĭn /

1. A polyester composed of fatty acids and aromatic compounds that occurs naturally in the cell walls of cork tissue in plants. Suberin acts together with waxes to protect plant surfaces from water loss and microbial attack, and also helps to close tears and breaks.

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Etymology

Origin of suberin

1820–30; < Latin sūber cork + -in ²; compare French subérine

Example Sentences

A waxy substance called suberin is present on the walls of the endodermal cells.

From Textbooks • Jun. 9, 2022

I see the optimism on a tour with Dr Joseph Noel, a biochemist focused on harnessing suberin, the project’s linchpin.

From The Guardian • Apr. 16, 2019

The term cuto-celluloses is applied to the group of substances, including suberin and cutin, which constitute waterproof cell-walls.

From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred

Cork consists of a soft, highly elastic substance, as a basis, having diffused throughout a matter with properties resembling wax, tallow, and resin, yet dissimilar to all of these, and termed suberin.

From Familiar Letters on Chemistry by Liebig, Justus, Freiherr von