Sunglass (Noun)
Meaning
A convex lens that focuses the rays of the sun; used to start a fire.
Classification
Nouns denoting man-made objects.
Examples
- She held up a small convex lens that functioned as a sunglass to focus the sun's rays onto a single point and ignite the tinder.
- In a survival situation, a piece of broken glass can be used as a makeshift sunglass to start a fire by concentrating the sun's rays.
- He used a magnifying glass as a sunglass to burn a hole in a leaf and demonstrate its ability to start a fire.
- A simple sunglass can be created by shaping a piece of clear plastic into a convex lens to focus the sun's rays onto a small area.
- By holding the sunglass at the correct angle, the Sun's rays can be focused onto a tiny point, creating enough heat to ignite a fire.