1. of, relating to, or having the properties of a mirror; reflecting light in a mirror-like way
Usage: technical; optics
2. relating to or involving observation or speculation
Usage: formal; rare

Examples

• The specular reflection from the calm lake created a perfect mirror image.
• Specular surfaces produce sharp, clear reflections unlike rough surfaces.
• The scientist studied the specular properties of the polished metal.
• Specular reflection occurs when light bounces off a smooth surface at equal angles.
• The telescope’s specular mirror gathered light from distant stars.
• Engineers designed the material to have specular rather than diffuse reflection.