heat up
IdiomsExample Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Under the skylight of a 10-foot industrial ceiling is a cold, foreboding blacksmith’s forge — which, on an active day, would heat up to 2,500 degrees — surrounded by uncut, conical metal templates awaiting manipulation.
From Los Angeles Times • May 6, 2026
Have you ever felt your smartphone heat up after heavy use or watched the battery drop at the worst possible moment?
From Science Daily • May 3, 2026
As they are so much bigger when they heat up they create a flash and a line, often called a train, behind them.
From BBC • Apr. 15, 2026
While some tech stocks stalled, investors flocked to overlooked corners of the market, enticed by lower valuations and the idea that the economy would heat up.
From The Wall Street Journal • Mar. 31, 2026
My mother always wakes up early to heat up soup and eat with me while the rest of the family sleeps.
From "The Queen of Water" by Laura Resau
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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.