different between atmosphere vs ionosphere

English

Alternative forms

• atmosphære (archaic)

Etymology

From French atmosphère, from New Latin atmosphaera, from Ancient Greek ????? (atmós, “steam”) + Ancient Greek ?????? (sphaîra, “sphere”); corresponding to atmo- +? -sphere.

Pronunciation

• (UK) IPA^(key): /?æt.m?s?f??(?)/
• (US) IPA^(key): /?ætm?s?f??/

Noun

atmosphere (countable and uncountable, plural atmospheres)

1. The gases surrounding the Earth or any astronomical body.

   Coordinate terms: hydrosphere, biosphere

   Meronyms: see Thesaurus:atmosphere

2. The air in a particular place.

   • Thus the red damask curtains which now shut out the fog-laden, drizzling atmosphere of the Marylebone Road, had cost a mere song, and yet they might have been warranted to last another thirty years. A great bargain also had been the excellent Axminster carpet which covered the floor; […].

3. (figuratively) The apparent mood felt in an environment.

   Synonyms: air, ambiance, feeling, mood

4. A unit of measurement for pressure equal to 101325 Pa (symbol: atm)
5. (television, film, uncountable) Extras in a scene who have no spoken lines.

Related terms

• atmospheric
• atmospherics

Derived terms

Translations

See also

• ambiance, ambience
• mood

English

Etymology

iono- +? -sphere

Noun

ionosphere (plural ionospheres)

1. The part of the Earth's atmosphere beginning at an altitude of about 50 kilometers (31 miles) and extending outward 500 kilometers (310 miles) or more.
2. The similar region of the atmosphere of another planet.

Related terms

• ionospheric
• ionospherically
• ionospherist

Translations

Further reading

• ionosphere on Wikipedia.Wikipedia