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heat up











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.

Although sodium-ion batteries cost more than lithium ones, Mossburg said their battery systems still save customers money: The technology does not heat up like lithium, so it eliminates the need for expensive cooling technology.

From Los Angeles Times • Jul. 8, 2026

Scientists warn the intensity and frequency of global extreme weather events will increase as the planet continues to heat up because of fossil fuel emissions.

From Barron's • Jul. 7, 2026

Some games may have been played in air-conditioned stadiums and at more modest temperatures across North America, but for Scotland it is about to heat up.

From BBC • Jun. 17, 2026

Roku, which has its own streaming platform and is a provider of connected TV operating systems, was looking to sell as competition for audiences continues to heat up.

From The Wall Street Journal • Jun. 15, 2026

Emily felt her face heat up, but James waved her off.

From "Book Scavenger" by Jennifer Chambliss Bertman




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