apheresis

noun aphe·re·sis \ ˌa-fə-ˈrē-səs \
|Updated on: 30 May 2018

Definition of apheresis

plural aphereses play \-ˌsēz\
: withdrawal of blood from a donor's body, removal of one or more blood components (such as plasma, platelets, or white blood cells), and transfusion of the remaining blood back into the donor called also pheresis

Recent Examples of apheresis from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'apheresis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of apheresis

from -apheresis (as in plasmapheresis)


Medical Dictionary

apheresis

noun aphe·re·sis \ ˌa-fə-ˈrē-səs \

medical Definition of apheresis

plural aphereses play \-ˌsēz\
: withdrawal of blood from a donor's body, removal of one or more components (as plasma, blood platelets, or white blood cells) from the blood, and transfusion of the remaining blood back into the donor called also pheresis; see leukapheresis, plasmapheresis, plateletpheresis

Learn More about apheresis


Seen and Heard

What made you want to look up apheresis? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to hasten

Get Word of the Day daily email!

Test Your Vocabulary

Test Your Emoji Exceptionalism

  • test-your-emoji-exceptionalism-written-with-a-lot-of-emoji
  • What is this emoji intended to represent: 🤳
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!