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apheresis

Pronunciation: /ɛɪfəˈriːsɪs/

Definition of apheresis

noun

[mass noun] (plural aphereses /-siːz/)
  • 1 Linguistics omission of the initial sound of a word, as when he is is pronounced he’s.
  • 2 Medicine a technique by which a particular substance or component is removed from the blood, the main volume being returned to the body.

Origin:

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

apheresis in other Oxford dictionaries

Definition of apheresis in the US English dictionary

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