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- Dictionaryatmosphere/ˈatməsfɪə/
noun
- 1. the envelope of gases surrounding the earth or another planet: "part of the sun's energy is absorbed by the earth's atmosphere" Similar
- 2. the pervading tone or mood of a place, situation, or creative work: "the hotel has won commendations for its friendly, welcoming atmosphere" Similar
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a mixture of gases that surrounds any planet: the search for planets with a breathable atmosphere. B2 [ S ] the air that you breathe in a place: The atmosphere in the room was so stuffy I could hardly breathe. A few plants in an office will improve the atmosphere. SMART Vocabulary: related words and phrases. The Earth & outer space - general words.
An atmosphere (from Ancient Greek ἀτμός (atmós) 'vapour, steam', and σφαῖρα (sphaîra) 'sphere') is a layer of gasses that envelop an astronomical object, held in place by the gravity of the object. A planet retains an atmosphere when the gravity is great and the temperature of the atmosphere is low.
The meaning of ATMOSPHERE is the gaseous envelope of a celestial body (such as a planet). How to use atmosphere in a sentence.
Atmosphere definition: the gaseous envelope surrounding the earth; the air. See examples of ATMOSPHERE used in a sentence.
Jun 3, 2024 · Atmosphere, the gas and aerosol envelope that extends from the ocean, land, and ice-covered surface of a planet outward into space. The density of the atmosphere decreases outward, because the planet’s gravitational attraction, which pulls the gases and aerosols inward, is greatest close to the surface.
The atmosphere of Earth is composed of a layer of gas mixture that surrounds the Earth's planetary surface (both lands and oceans ), known collectively as air, with variable quantities of suspended aerosols and particulates (which create weather features such as clouds and hazes ), all retained by Earth's gravity.
Oct 19, 2023 · Earth’s atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent.
[countable, singular, uncountable] the feeling or mood that you have in a particular place or situation; a feeling between two people or in a group of people. Before the parade, the atmosphere was electric. This type of lighting creates a relaxing atmosphere. City officials have created an atmosphere of fear.
a standard unit of pressure used to measure atmospheric pressure, equal to the pressure exerted by a column of mercury that is 760 millimeters (29.9213 inches) high at 0°C at sea level (101,325 pascals or 1,013.25 millibars or 14.70 pounds per square inch): abbrev.
The atmosphere is a mixture of gases that surrounds the Earth. It helps make life possible by providing us with air to breathe, shielding us from harmful ultraviolet (UV) radiation coming from the Sun, trapping heat to warm the planet, and preventing extreme temperature differences between day and night.
