1 : to remove (something) by pulling it out or cutting it out
He extracted a credit card from his wallet.
I had to have a tooth extracted.
The tumor was surgically extracted.
2 a : to get (information, a response, etc.) from someone who does not want to give it
We finally extracted a confession from him.
extract a promise
b : to get (something, such as information) from something
Investigators were able to extract useful information from the company's financial records.
They are hoping to extract new insights from the test results.
3 : to get (a substance) from something by the use of a machine or chemicals
The machines extract the juice from the apples.
oil extracted from sunflower seeds
venom extracted from poisonous snakes