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Word of the Day Tuesday, June 9, 2026

meris

/mɛrɪs/ noun · British & US
Valid in UK
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What does meris mean?

noun

A meris is a unit of measurement for the brightness of a star, equivalent to one hundredth of a magnitude. It is used to express the relative brightness of celestial objects.

Example

"The astronomer measured the meris of the newly discovered star to determine its luminosity."

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

Synonyms for meris

Rhymes with meris

Etymologically related