Definition of uptake
- oxygen uptake
oxygen uptake by the body
the plant's uptake of water
a rapid uptake of liquid
She's pretty quick on the uptake.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'uptake.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 1816See Words from the same year
: the process by which something is taken in by the body, a plant, etc.
: the ability to learn new things, to understand what is happening or being said, etc.
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Merriam-Webster's New Words Quiz—Fall 2017 Edition!
Test your knowledge - and maybe learn something along the way.TAKE THE QUIZ
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