B2 adjective Formel

troposphere

/ˌtroʊ.pə.sfɪər/

The troposphere is the lowest layer of the Earth's atmosphere, extending from the surface to an average altitude of about 12 kilometers. It is the region where nearly all weather conditions, such as clouds and precipitation, occur and where most of the atmosphere's mass is concentrated.

Exemples

3 sur 5
1

Most clouds that you see in the sky are located within the troposphere.

The majority of clouds visible in the sky are found in the lowest layer of the atmosphere.

2

Environmental regulations aim to reduce the concentration of pollutants released into the troposphere.

Laws regarding the environment seek to lower the amount of harmful substances sent into the Earth's first atmospheric layer.

3

It's crazy to think that the troposphere is where all our rain and snow actually come from.

It is amazing to realize that the first layer of the atmosphere is the source of all precipitation.

Famille de mots

Nom
troposphere
Adverbe
tropospherically
Adjectif
tropospheric
Apparenté
tropopause
💡

Astuce mémo

Think of 'Tropo-' as 'Tropical weather'. The 'tropo'sphere is where all the 'tropical' storms and weather changes happen.

Quiz rapide

Commercial airplanes usually fly near the top of the ____ to avoid turbulent weather found at lower altitudes.

Correct !

La bonne réponse est : troposphere

Exemples

1

Most clouds that you see in the sky are located within the troposphere.

everyday

The majority of clouds visible in the sky are found in the lowest layer of the atmosphere.

2

Environmental regulations aim to reduce the concentration of pollutants released into the troposphere.

formal

Laws regarding the environment seek to lower the amount of harmful substances sent into the Earth's first atmospheric layer.

3

It's crazy to think that the troposphere is where all our rain and snow actually come from.

informal

It is amazing to realize that the first layer of the atmosphere is the source of all precipitation.

4

The boundary between the troposphere and the stratosphere is known as the tropopause.

academic

The dividing line between the first and second layers of the atmosphere is called the tropopause.

5

The aviation industry monitors wind currents in the troposphere to optimize flight paths and save fuel.

business

Airline companies track air movements in the lower atmosphere to improve routes and reduce costs.

Famille de mots

Nom
troposphere
Adverbe
tropospherically
Adjectif
tropospheric
Apparenté
tropopause

Collocations courantes

lower troposphere the part of the troposphere closest to the ground
upper troposphere the highest part of the troposphere near the stratosphere
tropospheric ozone ozone found in the lowest layer of the atmosphere, often as a pollutant
temperature in the troposphere the heat levels measured within the first atmospheric layer
across the troposphere moving through or spanning the entirety of the lowest layer

Phrases Courantes

within the troposphere

inside the Earth's lowest atmospheric layer

tropospheric heating

the warming of the lowest part of the atmosphere

thickness of the troposphere

the vertical measurement of the Earth's first layer

Souvent confondu avec

troposphere vs stratosphere

The stratosphere is the layer above the troposphere; it is where the ozone layer is located and is generally calmer.

📝

Notes d'usage

The word is almost exclusively used in scientific, environmental, or meteorological contexts. In general conversation, people usually just say 'the air' or 'the atmosphere'.

⚠️

Erreurs courantes

Learners often confuse the troposphere with the stratosphere or think it refers to the entire atmosphere rather than just the lowest layer.

💡

Astuce mémo

Think of 'Tropo-' as 'Tropical weather'. The 'tropo'sphere is where all the 'tropical' storms and weather changes happen.

📖

Origine du mot

Derived from the Greek 'tropos' (meaning 'turn' or 'change') and 'sphaira' (meaning 'sphere'), referring to the turbulent air and weather changes in this layer.

Modèles grammaticaux

Used as a singular countable noun. Almost always preceded by the definite article 'the'. Often functions as a noun adjunct in terms like 'troposphere temperature'.
🌍

Contexte culturel

While not tied to a specific culture, it is a standard term in global environmental science and climate change discussions.

Quiz rapide

Commercial airplanes usually fly near the top of the ____ to avoid turbulent weather found at lower altitudes.

Correct !

La bonne réponse est : troposphere

Mots lis

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C1

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unhumdom

C1

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antejurance

C1

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hypernovacy

C1

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multimemful

C1

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C1

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unacuhood

C1

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