delta wave

Origin of delta wave

First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

delta wave in Medicine

delta wave

n.
  1. A slurring of the R-wave upstroke in an electrocardiogram as seen in Wolff-Parkinson-White syndrome.
  2. delta rhythm
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.