polar lights
Definition
- Noun (plural):
- Atmospheric luminous phenomena: "polar lights" refer to the natural display of light in the sky, predominantly seen in high-latitude regions (the Arctic and Antarctic), caused by the collision of charged particles from the sun with atoms in Earth's atmosphere.
Usage Examples
- (The natural light displays occur in polar regions.)
- (People go to see the northern lights or southern lights.)
Advanced Usage
- "Polar lights" as a collective term: It encompasses both the (northern lights) and the (southern lights), depending on the hemisphere.
- The polar lights in the southern hemisphere are called the aurora australis. (The southern lights are part of the same phenomenon.)
Variants and Related Words
- Polar (adj): relating to the North or South Pole.
- The polar regions experience extreme cold. (The areas around the poles are very cold.)
- Lights (n): bright, glowing phenomena (in this context, natural atmospheric lights).
Synonyms
- Aurora: the scientific term for polar lights.
- The aurora borealis is a famous example of polar lights. (A specific type of polar light.)
Related Idioms