global warming

noun

: an increase in the earth's atmospheric and oceanic temperatures widely predicted to occur due to an increase in the greenhouse effect resulting especially from pollution
A Russian-owned tanker, built to traverse the frozen waters of the Arctic, completed a journey in record time from Europe to Asia this month, auguring the future of shipping as global warming melts sea ice.Russell Goldman
Debates about stem cells, global warming, and alternative energy might be less contentious if the scientific issues behind them were better understood.Elizabeth Gettelman
The development is also meant to boost tourism in Zermatt, which, like many Alpine towns worried about the effects of global warming on winter tourism, is exploring ways to draw visitors throughout the year.Jim Rendon
… I think it makes a compelling case, at least for most audiences, that humans are the cause of most of the global warming that is taking place, and that unless we take quick action the consequences for our planetary home could become irreversible.Al Gore

Examples of global warming in a Sentence

Recent Examples on the Web
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This vote is a backlash against being a multicultural society, against women having control over their bodies, against LGBTQ rights, against the regulations that are in place to combat global warming and so much more. Letters To The Editor, The Mercury News, 12 Nov. 2024 Rising sea levels, warming oceans, and intensifying storms– all tied to global warming fueled by human actions– represent an existential threat. Discover Magazine, 8 Nov. 2024 Now the sport is turning its expertise to global warming. Chris Hawes, CNBC, 3 Nov. 2024 Oxy envisions one hundred such plants that would raise this fraction to almost 1%, but this is still only a minor factor in alleviating global warming. Ian Dexter Palmer, Forbes, 3 Nov. 2024 See all Example Sentences for global warming 

Word History

First Known Use

1953, in the meaning defined above

Time Traveler
The first known use of global warming was in 1953

Dictionary Entries Near global warming

Cite this Entry

“Global warming.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/global%20warming. Accessed 26 Nov. 2024.

Kids Definition

global warming

noun
: a warming of the earth's atmosphere and oceans that is widely predicted to result from an increase in the greenhouse effect caused by air pollution

More from Merriam-Webster on global warming

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