Refers to an object's ability to be seen in low light due to reflected light. Reflective strips on her backpack made her more visible to cars at night.
Pro Tip 2/3
Not Always Metal
Reflective materials aren't limited to metals and can include fabrics or plastics. The runner's reflective shoes caught the streetlight's glow.
Pro Tip 3/3
Heat Management
This kind of material can also reflect heat, not just light. The campers used a reflective blanket to stay warm.