apheresis

• Nom ayant deux sens distincts : en linguistique, la chute d'un ou plusieurs sons au début d'un mot ; en médecine, procédure par laquelle du sang est prélevé, séparé en composants, certains étant conservés et le reste restitué au donneur.

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'.

   Aphérèse (linguistique)

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

   Synonymesaphaeresis

   Antonymesapocopesyncope

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.

   Aphérèse thérapeutique

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

   Synonymespheresis