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delta wave

noun Physiology.

any of the slow brain waves constituting delta rhythm.

Origin of delta wave

First recorded in 1935–40

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

delta wave in Medicine

delta wave

n.

A slurring of the R-wave upstroke in an electrocardiogram as seen in Wolff-Parkinson-White syndrome.

delta rhythm

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.