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rootcap

[root-kap, roo t-]
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noun Botany.
  1. the loose mass of epidermal cells covering the apex of most roots, serving to protect the meristematic cells behind it.
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Origin of rootcap

First recorded in 1875–80; root1 + cap1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018