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.
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.