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Ionosphere - Meaning, Definition & English Examples

The ionosphere is a layer of Earth's upper atmosphere containing charged particles (ions). It reflects radio waves, enabling long-distance communication, and is where auroras occur due to solar activity.

ionosphere

/aɪˈɑːnəˌsfɪr/ /aɪˈɒnəˌsfɪə/

Definition:

The ionosphere is a layer of Earth's atmosphere containing ions, reflecting radio waves and aiding communication.

Synonyms:

atmospheric layer, plasma sphere, upper atmosphere

Part of Speech:

noun

Antonyms:

troposphere, stratosphere

Common Collocations:

radio waves, solar radiation, atmospheric layer, communication signals

Derivatives:

ionospheric, ionospherically

Usage Tips:

Use "ionosphere" when discussing atmospheric layers or radio wave propagation in scientific contexts.

Common Phrases:

ionosphere disturbance, ionosphere reflection, ionosphere layer

Etymology:

From Greek "ion" (going) and "sphaira" (sphere), referring to its charged particles and spherical layer around Earth.

Examples:

  • 1. The ionosphere helps reflect radio signals globally.
  • 2. Solar flares can disrupt the ionosphere temporarily.
  • 3. Scientists study the ionosphere to improve satellite communication.
  • 4. The auroras occur in the lower part of the ionosphere.

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