Definition

A faint glow in the sky that can be seen at night, often caused by natural phenomena such as airglow.

Example

The nightglow illuminated the dark sky, creating a beautiful and serene atmosphere.

Conversation

Have you ever seen the nightglow from the beach?

No, I haven't! What is it like?

It's beautiful, the sky lights up softly at night.

That sounds amazing! I would love to experience that.

Synonyms & Antonyms

Root Explanation

Nightglow → It is formed from "night" (from Old English *niht*, meaning the period of darkness) and "glow" (from Old English *glōwan*, meaning to shine or emit light). The word "nightglow" refers to the light emitted during the night, often from natural sources like the moon or stars.

Memory Tip

Think of the period of darkness ('night') combined with the idea of shining ('glow') to remember that 'nightglow' means the light that shines during the night.

Visually Confused Words