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Word of the Day Tuesday, June 9, 2026

luminance

/luːˈmɪnəns/ noun · British & US
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What does luminance mean?

noun

The quality or state of giving off light, especially in the form of rays or waves. The amount of light that a surface emits per unit area.

Example

"The luminance of the city lights made it difficult to see the stars."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for luminance

Antonyms of luminance

Rhymes with luminance

Etymologically related