apheresis

名词 n.
中文释义
英 /əˈfɪəɹɪsɪs/    美 /əˈfɛɹəsɪs/|/ˌæfəˈɹisɪs/

英文释义

名词 n.
  1. 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. Canada,US,countable,rhetoric,uncountable
  2. 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). Canada,US,countable,specific,uncountable
  3. Extirpation or extraction of a superfluity (especially a pathological one) from the body, especially blood. Canada,US,countable,general,obsolete

词形变化

aphereses plural aphaeresis alternative,Canada,UK aphæresis alternative,archaic

词汇关系

衍生词
aphaeretic apheretic erythrapheresis erythrocytapheresis erythropheresis leukapheresis leukocytapheresis photopheresis thrombocytapheresis

词源

Etymology tree
Proto-Indo-European *h₂ep
Proto-Indo-European *-o
Proto-Indo-European *h₂epó
Proto-Hellenic *apó
Ancient Greek ᾰ̓πό (ăpó)
Ancient Greek ἀπο- (apo-)
Proto-Indo-European *ser-der.?
Proto-Indo-European *selh₁-der.?
Ancient Greek αἱρέω (hairéō)
Ancient Greek ἀφαιρέω (aphairéō)
Proto-Indo-European *-tis
Ancient Greek -τις (-tis)
Ancient Greek -σῐς (-sĭs)
Ancient Greek ἀφαίρεσῐς (aphaíresĭs)der.
Latin aphaeresisder.
English apheresis
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.
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