Definition of agenesis
: lack or failure of development (as of a body part)
Recent Examples of agenesis from the Web
The 16-year-old, who was born with a rare congenital disorder known as agenesis of the corpus callosum, made a big basket in the game that Legend won 46-32.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'agenesis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of agenesis
First Known Use: circa 1879See Words from the same year
Learn More about agenesis
Britannica.com: Encyclopedia article about agenesis
Seen and Heard
What made you want to look up agenesis? Please tell us where you read or heard it (including the quote, if possible).