a preparation made by removing water or alcohol from a substance, leaving only the essence
Usageliver extract
concentrated essence of liver
verb
to take out something
Example Adrenaline extracted from the animal’s adrenal glands is used in the treatment of asthma.
"…all the staff are RGNs, partly because they do venesection, partly because they work in plasmapheresis units which extract plasma and return red blood cells to the donor"[Nursing Times]
