pro·to·xy·lem
| \ ˌprō-tə-ˈzī-ləm
, -ˌlem \
, -ˌlem \
Definition of protoxylem
: the first-formed xylem developing from procambium and consisting of narrow cells with annular, spiral, or scalariform wall thickenings
Keep scrolling for more
Learn More about protoxylem
Dictionary Entries near protoxylem
See More Nearby EntriesStatistics for protoxylem
Look-up Popularity
Cite this Entry
“Protoxylem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/protoxylem. Accessed 24 Feb. 2021.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Comments on protoxylem
What made you want to look up protoxylem? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
More Confusing Words—Quiz
-
- The magician
______moved the selected card to the top of the deck.
Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share protoxylem
Time Traveler for protoxylem
The first known use of protoxylem was in 1887
See more words from the same year