reflectivity.

How readily a surface sends incoming light or other radiation back rather than absorbing it.

Use it for

Words that belong together

• high reflectivity
• surface reflectivity

On the page

The engineer compared the reflectivity of the two finishes.

Usage notes

Primary category: sensory / description. Forms: Usually uncountable; no ordinary plural in this sense. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: description. Commonness: moderately common.