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siphonostele

[sahy-fon-uh-steel, sahy-fuh-nuh-steel]
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noun Botany.
  1. a hollow tube of vascular tissue enclosing a pith and embedded in ground tissue.
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Origin of siphonostele

First recorded in 1905–10; siphono- + stele
Related formssi·pho·no·ste·lic [sahy-fuh-nuh-stee-lik] /ˌsaɪ fə nəˈsti lɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for siphonostele

siphonostele

noun
  1. botany the cylinder of conducting tissue surrounding a central core of pith in certain stemsSee also stele (def. 3)
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Derived Formssiphonostelic (ˌsaɪfənəˈstiːlɪk), adjective

Word Origin

C19: from siphon + stele
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