Definition of siphonostele
: a stele consisting of vascular tissue surrounding a central core of pith parenchyma
Test Your Vocabulary
Challenging Words You Should Know
-
- Often used to describe “the march of time,” what does inexorable mean?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share siphonostele
Time Traveler for siphonostele
The first known use of siphonostele was in 1902
See more words from the same year