1 atmosphere | Definition of atmosphere

atmosphere

noun
at·​mo·​sphere | \ ˈat-mÉ™-ËŒsfir How to pronounce atmosphere (audio) \

Definition of atmosphere

1a : the gaseous envelope of a celestial body (such as a planet)
b : the whole mass of air surrounding the earth
2 : the air of a locality the stuffy atmosphere of the waiting room
3 : a surrounding influence or environment an atmosphere of hostility
4 : a unit of pressure equal to the pressure of the air at sea level or approximately 14.7 pounds per square inch (101,325 pascals)
5a : the overall aesthetic effect of a work of art
b : an intriguing or singular tone, effect, or appeal an inn with atmosphere

Keep scrolling for more

Other Words from atmosphere

atmosphered \ -​ËŒsfird How to pronounce atmosphered (audio) \ adjective

Examples of atmosphere in a Sentence

Experts have noticed changes in the atmosphere. Meteoroids burn up as they pass through Earth's atmosphere. The planets have different atmospheres. a country inn with lots of atmosphere The food was good but the restaurant has no atmosphere.
See More

Recent Examples on the Web

The current scientific view of Venus holds that, at some point in the past, the planet had much more water than its bone-dry atmosphere suggests today – perhaps even oceans. Paul K. Byrne, The Conversation, "Why we need to get back to Venus," 23 Aug. 2019 One way to terraform and eventually colonize the Red Planet, Musk genuinely seems to believe, would be to pepper it with a steady stream of low-fallout nuclear weapons to create a fake sun above its atmosphere. Alexander Smith, NBC News, "Amazon wildfires could be 'game over' for climate change fight: The Morning Rundown," 23 Aug. 2019 The world counts on its largest rainforest to cleanse our atmosphere of greenhouse gases. USA Today, "6 charts show why thousands of fires in the Amazon rainforest matter to the world," 23 Aug. 2019 Vinsetta, with its classic garage atmosphere and key location in Berkley, is a popular spot, especially the weekend of the annual Dream Cruise. Eric D. Lawrence, Detroit Free Press, "Mopar shows off 707-horsepower 'Hellvedere' at event before Dream Cruise," 17 Aug. 2019 The particles, many no bigger than a grain of sand or a pea, blast across the sky at 132,000 mph and disintegrate high up in our atmosphere after making a brilliant flash of light. Doyle Rice, USA TODAY, "Catch a shooting star: The summer's best meteor shower – the Perseids – peak tonight," 12 Aug. 2019 By burning that coal, modern populations are pumping ancient carbon back into our atmosphere, sending carbon dioxide levels soaring to heights not seen since modern humans first appeared on Earth. Deming Wang, National Geographic, "Bizarre fossils reveal Asia’s oldest known forest," 8 Aug. 2019 Outside our protective atmosphere there is killer radiation caused by distant supernovae, our sun, and other sources. Daisy Hernandez, Popular Mechanics, "Tardigrades Have Landed on the Moon. Here's What Their Survival Could Mean for Humanity.," 7 Aug. 2019 North Norfolk at large—has been a sanctuary for the Cambridges, and its residents are protective of its discreet atmosphere. Simon Usborne, Town & Country, "How Rumors of a Feud Between Kate Middleton and Rose Cholmondeley Captivated a Posh Corner of Britain," 5 Aug. 2019

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

See More

First Known Use of atmosphere

1638, in the meaning defined at sense 1a

History and Etymology for atmosphere

earlier in Latinate form atmo-sphæra, from Greek atmós "steam, vapor" (probably contracted from aetmós, of uncertain origin) + -o- -o-+ Latin sphaera sphere entry 1

Note: The word atmo-sphæra was apparently introduced by the English clergyman and natural philosopher John Wilkins (1614-72) in The Discovery of a World in the Moone (London, 1638), p. 138: "Proposition 10. That there is an Atmo-sphæra, or an orbe of grosse vaporous aire, immediately encompassing the body of the Moone."

Keep scrolling for more

Keep scrolling for more

More Definitions for atmosphere

atmosphere

noun

English Language Learners Definition of atmosphere

: the whole mass of air that surrounds the Earth
: a mass of gases that surround a planet or star
: the air in a particular place or area

atmosphere

noun
at·​mo·​sphere | \ ˈat-mÉ™-ËŒsfir How to pronounce atmosphere (audio) \

Kids Definition of atmosphere

1 : the whole mass of air that surrounds the earth
2 : the gas surrounding a heavenly body (as a planet) The atmosphere of Mars is made up mostly of carbon dioxide.
3 : the air in a particular place
4 : a surrounding influence or set of conditions an atmosphere of excitement

atmosphere

noun
at·​mo·​sphere | \ ˈat-mÉ™-ËŒsfi(É™)r How to pronounce atmosphere (audio) \

Medical Definition of atmosphere

1 : the whole mass of air surrounding the earth
2