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.
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
In the real world, people wear masks more often when cases are surging, said the institute’s Ali Mokdad, and 2021’s delta wave without vaccines would have prompted a major policy response.
From Seattle Times ● Jun. 23, 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
Infections in central New York are approaching levels last seen during last year’s delta wave.
From Washington Post ● Apr. 15, 2022
Even when the delta wave ebbed, the toll continued to rise.
From Washington Times ● Apr. 13, 2022
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.