heat wave

noun

Definition of heat wave

: a period of unusually hot weather

Examples of heat wave in a Sentence

Recent Examples on the Web

His game On Friday, a day after the heat wave moved on out of Michigan, Emoni was ready to work out. Perry A. Farrell, Detroit Free Press, "Why top basketball prospect Emoni Bates will attend Ypsilanti Lincoln," 7 July 2018 The heat wave will continue this weekend, but forecasters said Friday marked the peak. Ruben Vives, Victoria Kim And Sarah Parvini, Anchorage Daily News, "Southern California sets all-time heat records," 7 July 2018 Photographer: Michael Nagle/Bloomberg via Getty Images Bloomberg Bloomberg via Getty Images The swampy heat wave pummeling the New York City area is slowing everybody down — and high-speed traders are no exception. Fortune, "This Heat Wave's So Bad It's Even Slowing Down U.S. Stock Trades," 3 July 2018 The heat wave starts Friday, and the region should see highs generally in the lower 90s with maximum heat indices in the upper 90s Friday afternoon, according to the National Weather Service. Sarah Brookbank, Cincinnati.com, "Cincinnati weather: Heatwave starts Friday, air quality advisory in effect," 28 June 2018 North Carolina Health News cited a national study that found people between 65 and 74 run a 5 percent greater risk of death during heat waves. Bruce Henderson, charlotteobserver, "Sweaty days are on the rise in Charlotte, and they can send you to the hospital," 11 July 2018 And higher temperatures and more dangerous heat waves mean air conditioning demand will increase in many regions—while reducing the efficiency of transmission lines and stressing the cooling systems of some plants. Scott K. Johnson, Ars Technica, "US tries to bury report on climate change’s dire health, economic impacts," 26 Nov. 2018 What followed again during the summer was a period of intense, dry heat throughout the state, with a heat wave shattering temperature records in several cities. Umair Irfan, Vox, "California’s wildfires are hardly “natural” — humans made them worse at every step," 12 Nov. 2018 But spring and fall, with nice temperatures and no heat waves hopefully, are just right. Lisa Ryan, The Cut, "Meghan Markle, Like the Rest of Us, Is Clearly Ready for Summer to Be Over," 10 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heat wave.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of heat wave

1893, in the meaning defined above

Keep scrolling for more

Learn More about heat wave

Share heat wave

Dictionary Entries near heat wave

heat-treat

heat unit

heat up

heat wave

heaume

heaumer

heautarit

Statistics for heat wave

Last Updated

11 Mar 2019

Look-up Popularity

Time Traveler for heat wave

The first known use of heat wave was in 1893

See more words from the same year

Keep scrolling for more

More Definitions for heat wave

heat wave

noun

English Language Learners Definition of heat wave

: a period of unusually hot weather

Keep scrolling for more

More from Merriam-Webster on heat wave

Rhyming Dictionary: Words that rhyme with heat wave

Spanish Central: Translation of heat wave

Britannica English: Translation of heat wave for Arabic Speakers

Britannica.com: Encyclopedia article about heat wave

Comments on heat wave

What made you want to look up heat wave? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the range of authority or knowledge

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!