ar·​thro·​cen·​te·​sis ˌär-(ˌ)thrō-sen-ˈtē-səs How to pronounce arthrocentesis (audio)
plural arthrocenteses -ˌsēz How to pronounce arthrocentesis (audio)
: surgical puncture of a joint especially for aspiration of fluid from the joint
Arthrocentesis of the right elbow joint was performed in the emergency department; the aspirate was orange-tinted, with 17,250 white cells per cubic millimeter …Benjamin T. Davis and Mark S. Pasternack, The New England Journal of Medicine
I asked him to do an arthrocentesis—put a needle in the ankle and get a sample of the suspicious fluid causing the swelling.Rahul Parikh, The Los Angeles Times

Dictionary Entries Near arthrocentesis

Cite this Entry

“Arthrocentesis.” Medical Dictionary, Merriam-Webster, Accessed 25 Mar. 2023.

Love words? Need even more definitions?

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

Love It or Hate It

  • heart-fire
  • When asked about her blind date, Carol spoke for hours with vitriol.
Name That Thing

You know what it looks like… but what is it called?

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?