medullary ray

noun

Definition of medullary ray

1 : a primary tissue composed of radiating bands of parenchyma cells extending between the vascular bundles of herbaceous dicotyledonous stems and connecting the pith with the cortex

First Known Use of medullary ray

1816, in the meaning defined at sense 1

Keep scrolling for more

Learn More About medullary ray

Time Traveler for medullary ray

Time Traveler

The first known use of medullary ray was in 1816

See more words from the same year

Dictionary Entries Near medullary ray

medullary layer

medullary ray

medullary sheath

See More Nearby Entries 

Statistics for medullary ray

Cite this Entry

“Medullary ray.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/medullary%20ray. Accessed 21 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Which Word Does Not Belong?

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!