apheresis

English

Alternative forms

Etymology

From Latin aphaeresis, from Ancient Greek ἀφαίρεσις (aphaíresis, “a taking away”), from ἀφαιρέω (aphairéō) (from ἀφ- (aph-) (aph-, “aph-”, variant of ἀπό (apó, “off”, “away from”) before an aspirated vowel) + αἱρέω (hairéō, “to take”, “to snatch”)) + -σις (-sis) (-sis, suffix forming nouns of action); the grammatical sense developed in Latin.[1]

Pronunciation

  • (Received Pronunciation) enPR: əfîʹrĭsĭs, IPA(key): /əˈfɪəɹɪsɪs/,[1]
  • (US) IPA(key): /əˈfɛɹəsɪs/ (linguistics)
  • (US) IPA(key): /ˌæfəˈɹisɪs/ (medicine)

Noun

apheresis (countable and uncountable, plural aphereses) (US, Canada)

  1. (linguistics, prosody) Elision, suppression, or complete loss of a letter or sound (syllable) from the beginning of a word, such as the development of special from especial; procope.[1]
    Synonym: procope
  2. (medicine, specific, still current) The removal of blood from a patient, and the removal of certain components (such as platelets) from that blood, followed by the transfusion of the filtered blood back to the donor (patient).
    Synonyms: pheresis, hemapheresis
  3. (medicine, general, obsolete) Extirpation or extraction of a superfluity (especially a pathological one) from the body, especially blood.

Hyponyms

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Translations

References

  1. 1 2 3 “aphæresis” listed in the Oxford English Dictionary [2nd Ed.; 1989]

Further reading

Anagrams

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