different between atmosphere vs terraform

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

Terra (“planet Earth”) +? -form (“having the form of”). Coined by American science fiction author Jack Williamson in his 1942 novella Collision Orbit.

Verb

terraform (third-person singular simple present terraforms, present participle terraforming, simple past and past participle terraformed)

1. (science fiction) To transform the atmosphere (or biosphere) of another planet into one having the characteristics of Earth.

Synonyms

• Earthscape

Derived terms

• terraformer

Translations

References

• Jesse Sheidlower, editor (2001–2021) , “terraform v.”, in Historical Dictionary of Science Fiction.