Apheresis definition

Apheresis

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noun

(1) A procedure in which blood is drawn and separated into its components by dialysis; some are retained and the rest are returned to the donor by transfusion

(2) (linguistics) omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until'

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Etymology

From .

Noun

The removal of blood from a patient in order that certain components (such as platelets) may be removed before transfusion back to the donor.
The loss of letters or sounds from the beginning of a word, such as the development of from .