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apheresis

American  
[uh-fer-uh-sis, af-uh-ree-sis] / əˈfɛr ə sɪs, ˌæf əˈri sɪs /

noun

  1. Also 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. Medicine/Medical. the withdrawal of whole blood from the body, separation of one or more components, and return by transfusion of remaining blood to the donor.


apheresis British  
/ ˌæfəˈrɛtɪk, əˈfɪərɪsɪs /

noun

  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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of apheresis

1605–15; < Late Latin aphaeresis < Greek aphaíresis a taking away, equivalent to aphairé ( în ) to take away ( ap- ap- 2 + haireîn to snatch) + -sis -sis

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

He doesn’t use an alarm clock — he never needs one — when he wanders downstairs to chug exactly 32 ounces of water to prepare for his 8 a.m. apheresis appointment, or blood platelet donation.

From Seattle Times Nov. 9, 2022

The treatment uses a process called apheresis to extract T cells from the patient and then genetically modifies the cells to add a receptor, the chimeric antigen, which binds with the cancer cells.

From Salon Aug. 26, 2022

However, there is, as yet, no published and peer reviewed evidence showing that apheresis and anticoagulation therapy reduce microclots.

From BBC Aug. 22, 2022

Putrino is now running a small study of Long Covid patients with microclots in blood plasma, testing whether apheresis, which filters blood and reinfuses it, improves their symptoms.

From Science Magazine Jun. 15, 2022

She later joined the NIH Clinical Center, whose apheresis clinic was named in her honor after her retirement in 1990.

From Washington Post

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