Definition

Relating to the outermost layer of a planet's atmosphere, where the atmosphere gradually fades into space.

Example

The satellite operates in the exospheric region of the Earth's atmosphere.

Conversation

Have you ever read about the exospheric layer of the atmosphere?

No, I haven't! What's special about it?

It's the outermost layer, where satellites orbit and stuff.

That sounds fascinating! I should look it up.

Synonyms & Antonyms

Root Explanation

Exospheric → It is formed from "exo-" (from Greek "ἔξω" meaning outside) and "spheric" (from Greek "σφαῖρα" meaning sphere). The word describes something that is located outside of a sphere, specifically referring to the outermost layer of the Earth's atmosphere.

Memory Tip

Think of 'exo-' meaning 'outside' and 'spheric' relating to a 'sphere' — this helps you remember that 'exospheric' refers to the outer layer of the atmosphere.

Visually Confused Words