apheresis

• 名词，有两个不同义项：在语言学中，指词首一个或多个音素的脱落；在医学中，指将血液抽出、分离成各成分，保留其中一部分，其余回输给供者的操作。

A noun with two distinct meanings: in linguistics, it refers to the omission of one or more sounds from the beginning of a word; in medicine, it refers to a procedure where blood is drawn, separated into its components, and some are retained while the rest are returned to the donor.

1. Linguistic omissionC2formal

   The loss of one or more sounds or letters from the beginning of a word, such as 'coon' from 'raccoon' or 'till' from 'until'.

   词首省略

   • The word 'bus' is an apheresis of 'omnibus'.
   • 'Phone' is a common apheresis of 'telephone'.
   • Linguists study apheresis as a form of word shortening.

   同义词aphaeresis

   反义词apocopesyncope

2. Medical procedureC1formalmedical

   A medical process where blood is drawn, separated into its components (like plasma or platelets) using a machine, and the remaining parts are returned to the donor.

   血液分离术

   • The patient underwent apheresis to remove excess antibodies.
   • Platelet apheresis is used to collect donations for transfusions.
   • Therapeutic apheresis can treat certain autoimmune disorders.

   同义词pheresis