nephoscope (noun)

1. The artist used a nephoscope as a reference to accurately depict the movement of clouds in their landscape painting.

2. In the fantasy novel, the protagonist carried a magical nephoscope that could predict storms and control the weather.

3. In the anime series, the main character invented a high-tech nephoscope to study the clouds and unlock their hidden powers.

4. The educational cartoons explained the concept of a nephoscope, teaching children how to measure and analyze cloud movements.