English Reference
noun

atmosphere

n.
US /ˈætməsˌfɪɹ/ UK /ˈætməsfˌiə/ at·mos·phere UK spelling atmosphere's, atmosphere's

  1. 01 B1 Intermediate Science

    the layer of gases that surrounds the Earth or another planet.

    the envelope of gases surrounding the Earth or another celestial body, held in place by gravity.

    Simple

    The Earth's atmosphere protects us from the harmful rays of the sun.

    In context

    Scientists are studying the composition of the Martian atmosphere to determine if the planet could have ever supported microbial life.

    aerosphereair
  2. 02 B1 Intermediate

    the feeling or mood that you get from a place or situation.

    the pervading tone or mood of a place, situation, or creative work.

    Simple

    The restaurant had a very friendly and relaxed atmosphere.

    In context

    The director used low lighting and a haunting soundtrack to create a thick atmosphere of suspense throughout the opening scene.

  3. 03 B2 Upper Intermediate

    the air in a specific room or small space.

    the air in a particular confined space, often in relation to its temperature or cleanliness.

    Simple

    We opened the windows to let some fresh air into the smoky atmosphere.

    In context

    The atmosphere in the crowded basement became increasingly heavy and humid as the party continued into the night.

    air
  4. 04 C1 Advanced Technical Science

    a unit used to measure how much pressure the air is putting on something.

    a unit of pressure equal to the mean atmospheric pressure at sea level, approximately 101,325 pascals.

    Simple

    The pressure at the bottom of the pool is more than one atmosphere.

    In context

    Deep-sea submersibles must be engineered to withstand hundreds of atmospheres of pressure without structural failure.

    atm
  5. 05 C2 Proficiency Technical Theatre

    people who appear in the background of a film or TV show but do not speak.

    background actors or extras used to provide a sense of realism to a scene.

    Simple

    The production hired fifty people for atmosphere in the busy street scene.

    In context

    The assistant director spent the morning positioning the atmosphere to ensure the fictional market looked sufficiently crowded for the wide shot.

    Usage

    Often used as an uncountable collective noun in production contexts.


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

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Ancient Greek ἀτμός
Level B1 · Intermediate
Frequency Common
Updated