apheresis
EnglishEdit
Alternative formsEdit
- aphaeresis (British, Canada)
- aphæresis (archaic)
EtymologyEdit
From Latin aphaeresis, from Ancient Greek ἀφαίρεσις (aphaíresis, “a taking away”), from ἀφαιρέω (aphairéō) (from ἀφ- (aph-), variant of ἀπό (apó, “off, away from”) before an aspirated vowel) + αἱρέω (hairéō, “to take; to snatch”)) + -σις (-sis, suffix forming nouns of action); the grammatical sense developed in Latin.[1]
PronunciationEdit
- (Received Pronunciation) enPR: əfîʹrĭsĭs, IPA(key): /əˈfɪəɹɪsɪs/,[1]
- (US) IPA(key): /əˈfɛɹəsɪs/ (linguistics)
- (US) IPA(key): /ˌæfəˈɹisɪs/ (medicine)
NounEdit
apheresis (countable and uncountable, plural aphereses) (US, Canada)
- (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]
- (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
- (medicine, general, obsolete) Extirpation or extraction of a superfluity (especially a pathological one) from the body, especially blood.
- Hyponym: bloodletting
Derived termsEdit
TranslationsEdit
loss of letters or sounds from the beginning of a word
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medicine: removal, filtering and returning of blood
ReferencesEdit
Further readingEdit
- Apheresis on Wikipedia.Wikipedia
- Apheresis (linguistics) on Wikipedia.Wikipedia