- pertaining to or affecting many joints.
Origin of polyarticular
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for polyarticular
The symptoms and clinical history of general or polyarticular and progressive rheumatoid arthritis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.