siphonostele

[sahy-fon-uh-steel, sahy-fuh-nuh-steel] /saɪˈfɒn əˌstil, ˈsaɪ fə nəˌstil/
noun, Botany
1.
a hollow tube of vascular tissue enclosing a pith and embedded in ground tissue.
Origin
1905-10; siphono- + stele
Related forms
siphonostelic
[sahy-fuh-nuh-stee-lik] /ˌsaɪ fə nəˈsti lɪk/ (Show IPA),
adjective
British Dictionary definitions for siphonostele

siphonostele

/ˈsaɪfənəˌstiːl/
noun
1.
(botany) the cylinder of conducting tissue surrounding a central core of pith in certain stems See also stele (sense 3)
Derived Forms
siphonostelic (ˌsaɪfənəˈstiːlɪk) adjective
Word Origin
C19: from siphon + stele