Definitions

1. verb

to extract (something) beforehand, especially to make it easier to extract later

“The lab technician preextracted the DNA to speed up the analysis.”

2. verb

to remove (something) beforehand, especially to make it easier to remove later

“The chef preextracted the herbs from the soup to serve them on the side.”

3. noun

the act of extracting (something) beforehand

“The preextraction process involved careful planning to minimize contamination.”