a period of abnormally hot and usually humid weather; heat event: I moved to the coast up north because summer back home has become one long, unbearable heat wave.
an air mass of high temperature covering an extended area and moving relatively slowly: Another heat wave is expected to form across the South and into the Northeast by week’s end.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use heat wave in a sentence
That research is the latest step in the growing field of climate change attribution science, which connects day-to-day events like heat waves, floods, and superstorms to human-caused warming.A looming climate disaster threatens the lives of 6,000 Peruvians | Philip Kiefer | February 9, 2021 | Popular-Science
From coastal towns and riverfront communities, to urban centers and suburban neighborhoods, the frequency and severity of storms, heat waves, droughts and wildfires is increasing.ADVERTORIAL | Pepco’s Commitment to Our Customers and the Climate | Advertorial | February 5, 2021 | Washington Blade
The city wants compensation for the related injuries, such as higher sea levels and the damage caused by more dramatic storms, floods, droughts and heat waves.Supreme Court hears dispute with big implications for climate-change litigation | Robert Barnes | January 19, 2021 | Washington Post
Already, the region has warmed at roughly twice the rate as the rest of the world and is experiencing an increased frequency of wildfires, heat waves and disappearing glaciers.
It’s a problem that will only grow worse as climate change progresses, bringing swifter and harder rainfall and more unpredictable heat waves and drought.Who Owns the Tijuana River – and Who Needs Its Water Most | MacKenzie Elmer and Vicente Calderón | January 11, 2021 | Voice of San Diego
EnerNOC in turn pays users—which it calls “assets”—to curtail power usage during peak-demand events such as a heat wave.EnerNOC Helps Keeps Lights on During Heat Waves Through Demand Response | Edward Ferguson | July 20, 2013 | THE DAILY BEAST
If you thought this recent heat wave has been bad, try braving 1,800-degree temperatures with 4,350-mile-per-hour winds.
This summer's punishing heat wave could wreak havoc on grocery bills.
A study published in 2005 showed just that kind of loading for the European heat wave of 2003.Does Global Warming Cause Severe Weather? “Global Weirdness” Excerpt | Climate Central | July 21, 2012 | THE DAILY BEAST
As a “giant heat wave” moved east across the nation, heat records that dated back to the Dust Bowl fell with uncanny speed.
The heat-wave had put forward the almanac, and the Newport season was in full swing nearly a month in advance of its usual date.The Terms of Surrender | Louis Tracy
The next day the first intense heat wave of summer swept over Tunkett.Rilla of the Lighthouse | Grace May North
In the case of a sustained heat-wave, this would take place at some time during each night.The Haunting of Low Fennel | Sax Rohmer
Here we were in the middle of a heat wave, the thermometer nudging ninety, and the old guy's wrist is like an icicle!The Scapegoat | Richard Maples
We were in a furnace—a heat-wave in which we were like to drown.Hesperothen; Notes from the West, Vol. 1 (of 2) | W. H. Russell
British Dictionary definitions for heat wave
a continuous spell of abnormally hot weather
(not in technical use) an extensive slow-moving air mass at a relatively high temperature
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012