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delta wave

American  

noun

Physiology.
  1. any of the slow brain waves constituting delta rhythm.


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.

See Examples For:

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

The recent hospitalization peak saw about 40% fewer people hospitalized with COVID-19 in those four counties than last summer’s delta wave and 75% fewer than the most recent winter omicron wave.

From Seattle Times Aug. 4, 2022

Before the delta wave had even subsided, omicron came roaring in, sickening tens of millions as 2021 turned into 2022.

From Washington Post Apr. 27, 2022

Even when the delta wave ebbed, the toll continued to rise.

From Washington Times Apr. 13, 2022

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