Definition of apheresis in English:

apheresis

Line breaks: apher|esis
Pronunciation: /ɛɪfəˈriːsɪs
 
/

noun

[mass noun] (plural aphereses /-siːz/)
1 Linguistics Omission of the initial sound of a word, as when he is is pronounced he’s.
More 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.
More 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'.

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