upon (reflection) | rɪˈflɛkʃn |

noun

• an image seen in a mirror or shiny surface: Marianne surveyed her reflection in the mirror.
  • an amount of light, heat, or sound that is reflected by a body or surface: the reflections from the street lamps gave them just enough light.

• [mass noun] the throwing back by a body or surface of light, heat, or sound without absorbing it: the reflection of light.