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bicollateral

[bahy-kuh-lat-er-uh l]
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adjective Botany.
  1. (of a bundle) having the xylem lined with phloem on both its inner and outer faces.
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Origin of bicollateral

First recorded in 1880–85; bi-1 + collateral
Related formsbi·col·lat·er·al·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for bicollateral

bicollateral

adjective
  1. botany (of a vascular bundle) having two phloem groups to the inside and outside, respectively, of the xylem
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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