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单词 apheresis
释义

WordReference Random House Unabridged Dictionary of American English © 2024
a•pher•e•sis  (ə fer′ə sis for 1; af′ə rē′sis for 2),USA pronunciation n. 
  1. LinguisticsAlso, aphaeresis. the loss or omission of one or more letters or sounds at the beginning of a word, as in squire for esquire, or count for account.
  2. Medicinethe withdrawal of whole blood from the body, separation of one or more components, and return by transfusion of remaining blood to the donor.
  • Greek aphaíresis a taking away, equivalent to aphairé(în) to take away (ap- ap-2 + haireîn to snatch) + -sis -sis
  • Late Latin aphaeresis
  • 1605–15
aph•e•ret•ic  (af′ə ret′ik),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
apheresis, aphaeresis /əˈfɪərɪsɪs/ n
  1. the omission of a letter or syllable at the beginning of a word
  2. a method of collecting blood from donors that enables its different components, such as the platelets or plasma, to be separated out
Etymology: 17th Century: via Late Latin from Greek, from aphairein to remove
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更新时间：2025/2/23 12:28:34