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secondary wall

American  

noun

Botany.
  1. the innermost part of a plant cell wall, deposited after the wall has ceased to increase in surface area.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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After the 14 miles of secondary wall is completed, officials say that they are looking at additional measures, including sealing a gap further back between existing fence and nearby mountains.

From Fox News Oct. 16, 2019

Manny Machado’s towering blast to left landed on top of the wall, bounced off a secondary wall and back onto the field while being ruled in play.

From Reuters Jun. 20, 2019

Xylem transports water and minerals through vessel elements and tracheids, which are dead at maturity and have a primary and secondary wall.

From Textbooks Jan. 1, 2015

In pits, the secondary wall is thin or missing, allowing water to flow laterally.

From Textbooks Jan. 1, 2015

Sandbagging is underway west of this to build a secondary wall, according to Campbell.

From Reuters May 4, 2011

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