delta wave
Americannoun
Etymology
Origin of delta wave
First recorded in 1935–40
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
After seven days of using the Hinoki oil, participants showed increased delta wave activity around the time they were falling asleep.
From Science Daily ● Oct. 6, 2026
During the delta wave, cases began to rise in the UK in June; they rose in the U.S. in July.
From Slate ● Oct. 29, 2022
No sooner had Heerema McKenney and other researchers around the world begun pooling data and discussing how to react, the delta wave receded, and when omicron arrived, the cases simply disappeared.
From Washington Post ● Oct. 8, 2022
People who tested positive during the delta wave have also tested positive during the time omicron was circulating.
From Seattle Times ● May 7, 2022
Even when the delta wave ebbed, the toll continued to rise.
From Washington Times ● Apr. 13, 2022
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
