test tube (noun)

1. In this modern architectural design, the test tube is incorporated into the building's structure, creating a visually striking element.

2. Why did the scientist break the test tube? Because he couldn't resist experimenting with a little too much pressure!

3. As a symbol of their love, the couple exchanged test tubes filled with colorful liquids, signifying the chemistry they shared.

4. The fashion designer showcased a unique collection with test tube-shaped accessories, adding a futuristic and avant-garde touch to the outfits.