Gain access to thousands of additional definitions and advanced search features—ad free! JOIN NOW
: the shaft of a long bone
1831, in the meaning defined above
New Latin, from Greek, spinous process of the tibia, from diaphyesthai to grow between, from dia- + phyein to bring forth — more at be
Keep scrolling for more
Resources for diaphysis
Time Traveler for diaphysis
See more words from the same year
More Definitions for diaphysis
: the shaft of a long bone — compare epiphysis sense 1
More from Merriam-Webster on diaphysis
Britannica.com: Encyclopedia article about diaphysis
Comments on diaphysis
What made you want to look up diaphysis? Please tell us where you read or heard it (including the quote, if possible).
by force of circumstances
Get Word of the Day daily email!
Difficult Vocab Quiz
Test your visual vocabulary with our 10-question challenge!
Test Your Knowledge - and learn some interesting things along the way.
It is a word, though.
CNN reporter questions President.
Ariana Grande slams ex-fiancé.
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Read this into the night.
A common word, but only by a whisker
Semantic bleaching and the power to amaze
Cans of worms, wild-goose chases, and more
And is one way more correct than the others?
The story of an imaginary word that managed to sneak past our editors and enter the dictionary.
How to use a word that (literally) drives some people nuts.
The awkward case of 'his or her'
Another round of challenging vocab!
(Secret October WOTD Quiz)
A game of winding words.