global warming

noun
Updated on: 1 Dec 2017

Definition of global warming

: 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

Examples of global warming in a Sentence

  1. World leaders will address the problem of global warming.

Recent Examples of global warming from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'global warming.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of global warming

1952


GLOBAL WARMING Defined for English Language Learners

global warming

noun

Definition of global warming for English Language Learners

  • : the recent increase in the world's temperature that is believed to be caused by the increase of certain gases (such as carbon dioxide) in the atmosphere


GLOBAL WARMING Defined for Kids

global warming

noun

Definition of global warming for Students

: a warming of the earth's atmosphere and oceans that is thought to be a result of air pollution


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