heat up
IdiomsExample Sentences
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As the rock collides with air molecules, both its surface and the surrounding gas heat up and begin to glow.
From Science Daily ● Oct. 29, 2026
“Naturally, inflation is expected to heat up given the rise in crude oil prices amid renewed tensions in the Middle East,” says Matt Simpson, senior market analyst at StoneX, in commentary.
From The Wall Street Journal ● Oct. 14, 2026
Scientists warn that the intensity and frequency of extreme weather events will increase as the planet continues to heat up because of fossil fuel emissions.
From Barron's ● Sep. 27, 2026
As these tiny particles enter Earth's atmosphere at high speed, they heat up and produce the streaks of light we see as meteors.
From BBC ● Sep. 12, 2026
He was a lovely cook, and when he went home at four, he would leave me supper to heat up in the microwave oven, a device that was new to me.
From "Long Walk to Freedom" by Nelson Mandela
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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.
