apheresis

Noun

a=pher=e=sis

WORDNET DICTIONARY

apheresis(n = noun.process) aphaeresis - (linguistics) omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until';

is a kind of deletion, omission

Derived form adjective apheretic₁

apheresis(n = noun.act) pheresis - 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;

is a kind of dialysis

has particulars: plasmapheresis, plateletpheresis

Derived form adjective apheretic₁

apheresis, n. [L. aphaeresis, Gr. , fr. to take away; + to take.].

The dropping of a letter or syllable from the beginning of a word; e. g., cute for acute. [1913 Webster]
An operation by which any part is separated from the rest. Dunglison. [1913 Webster]