retroreflective: Meaning and Definition of

ret•ro•re•flec•tive

Pronunciation: (re"trō-ri-flek'tiv), [key]
— adj.
  1. of or pertaining to a surface, material, or devicethat reflects light or other radiation back to its source; reflective.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.