Definition of apheresis in English:

Share this entry

apheresis

Pronunciation: /ɛɪfəˈriːsɪs/

noun

[mass noun] (plural aphereses /ɛɪfəˈriːsiːz/)
1 Linguistics Omission of the initial sound of a word, as when he is is pronounced he’s.
Example sentences
  • In some words initial e has been lost by aphaeresis: squire from esquire, sample from example, state from estate.
  • When the indefinite article was being restored to its separate existence, the word ‘atomy’ was falsely coined from ‘anatomy’ through aphaeresis, by the removal of the supposed indefinite article.
2 Medicine A technique by which a particular substance or component is removed from the blood, the main volume being returned to the body.
Example sentences
  • Another method used for separating out some of the components of blood consists of a technique known as apheresis.
  • Removing blood stem cells from your blood during apheresis doesn't hurt.
  • Platelets collected by apheresis were counted as single units.

Origin

Mid 16th century: via late Latin from Greek aphairesis, from aphairein 'take away', from apo 'from' + hairein 'take'.

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.