Ionosphere Meaning in English
word
Definition
The ionosphere is a part of Earth's upper atmosphere, from about 60 km to 1,000 km above the ground, where many atoms are ionized by solar radiation. It plays an important role in reflecting radio signals and in atmospheric electricity.
Usage & Nuances
Primarily used in scientific and technical contexts, especially in earth science and radio communication. Collocates with 'layer,' 'atmosphere,' 'reflect,' and 'signals.' Rarely used in informal conversation. Often confused with other atmospheric layers like the stratosphere or thermosphere.
Example Sentences
The ionosphere helps radio waves travel long distances.
basic
Scientists study the ionosphere to understand space weather.
basic
The auroras are caused by particles in the ionosphere.
basic
After sunset, the ionosphere changes and affects radio signals.
natural
Ham radio operators rely on the ionosphere to talk with people across the world.
natural
If the sun is active, the ionosphere can get disturbed and mess up GPS signals.
natural