reflectance.

The fraction of incoming light or radiation that a surface sends back.

Use it for

Words that belong together

• surface reflectance
• high reflectance

On the page

High reflectance made the coating useful inside the optical chamber.

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: uncommon.