— apheretic /af'euh ret"ik/ , adj.
/euh fer"euh sis/ for 1; /af'euh ree"sis/ for 2 , n.
1. Also, aphaeresis . the loss or omission of one or more letters or sounds at the beginning of a word, as in squire for esquire, or count for account.
2. Med. the withdrawal of whole blood from the body, separation of one or more components, and return by transfusion of remaining blood to the donor.
[ 1605-15; aphaeresis aphaíresis a taking away, equiv to aphairé ( în ) to take away ( ap- AP- 2 + haireîn to snatch) + -sis -SIS ]