Definition of reflectivity in English:

reflectivity

Pronunciation: /rəˌflekˈtivədē//rēˌflekˈtivədē/

noun

Physics
  • The property of reflecting light or radiation, especially reflectance as measured independently of the thickness of a material.

    • ‘Aluminum has a light reflectivity of over 80 percent, which has led to its wide use in lighting fixtures.’
    • ‘This application involves measuring the reflectivity of monochromatic x-rays as a function of the incident angle.’
    • ‘These variations between the two bands depend on emissivity and reflectivity of the materials that make up the target and/or background.’
    • ‘Light reflectivity is another key performance area.’
    • ‘When polished, silver has the highest-known reflectivity of visible light.’

Pronunciation:

reflectivity

/rəˌflekˈtivədē//rēˌflekˈtivədē/