Cite this Entry
“Aplasia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/aplasia. Accessed 6 Dec. 2021.
See Definitions and Examples »
Get Word of the Day daily email!
Name that Thing: Flower Edition
Can you spell these 10 commonly misspelled words?
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Top 10 Latin Phrases
Don't argue with the dictionary
This is usage
A simple trick to keep them separate
How 'literally' can mean "figuratively"
How to use a word that (literally) drives some pe...
The awkward case of 'his or her'
How many do you know?
Take the quiz