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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.
Jun 6, 2012 · The meaning of ATMOSPHERE is the gaseous envelope of a celestial body (such as a planet). How to use atmosphere in a sentence.
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.
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.
n. 1. the gaseous envelope surrounding the earth or a heavenly body; the air. 2. any gaseous envelope or medium. 3. a conventional unit of pressure, the normal pressure of the air at sea level, about 14.7 pounds per square inch, equal to the pressure exerted by a column of mercury 29.92 in. (760 mm) high. Abbr.: atm.
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.
[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.
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.
ATMOSPHERE meaning: 1 : the whole mass of air that surrounds the Earth; 2 : a mass of gases that surround a planet or star.
