from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The gaseous mass or envelope surrounding a celestial body, especially the one surrounding the earth, and retained by the celestial body's gravitational field.
- n. The air or climate in a specific place.
- n. Physics A unit of pressure equal to the air pressure at sea level. It equals the amount of pressure that will support a column of mercury 760 millimeters high at 0 degrees Celsius under standard gravity, or 14.7 pounds per square inch (1.01325 × 105 pascals). See Table at measurement.
- n. A dominant intellectual or emotional environment or attitude: an atmosphere of distrust among the electorate.
- n. The dominant tone or mood of a work of art.
- n. An aesthetic quality or effect, especially a distinctive and pleasing one, associated with a particular place: a restaurant with an Old World atmosphere.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The gases surrounding the Earth or any astronomical body.
- n. The air in a particular place.
- n. The mood or feeling in a situation.
- n. A unit of measurement for pressure (symbol: atm)
from the GNU version of the Collaborative International Dictionary of English
- n. The whole mass of aëriform fluid surrounding the earth; -- applied also to the gaseous envelope of any celestial orb, or other body.
- n. Any gaseous envelope or medium.
- n. A supposed medium around various bodies.
- n. The pressure or weight of the air at the sea level, on a unit of surface, or about 14.7 lbs. to the sq. inch.
- n. Any surrounding or pervading influence or condition.
- n. The portion of air in any locality, or affected by a special physical or sanitary condition
from The Century Dictionary and Cyclopedia
- n. The aëriform fluid which surrounds the earth, and extends to an undetermined height above its surface; the air.
- n. A conventional unit of atmospheric pressure.
- n. The gaseous envelop surrounding any of the heavenly bodies.
- n. Any gaseous medium: as, “an atmosphere of cold oxygen,” Miller.
- n. An assumed outer envelop of force, effluvia, etc., surrounding a body: as, an electrical atmosphere.
- n. Figuratively, intellectual or moral environment; pervading influence.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the mass of air surrounding the Earth
- n. a distinctive but intangible quality surrounding a person or thing
- n. a particular environment or surrounding influence
- n. the envelope of gases surrounding any celestial body
- n. the weather or climate at some place
- n. a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade
New Latin atmosphaera : Greek atmos, vapor; see sphere.(American Heritage® Dictionary of the English Language, Fourth Edition)
From New Latin atmosphaera, from Ancient Greek ἀτμός (atmós, "steam") + Ancient Greek σφαῖρα (sphaĩra, "sphere"). (Wiktionary)