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Word of the Day Wednesday, June 10, 2026

photosphere

/fəʊtəʊˈsfɪər/ noun · British & US
Valid in UKValid in US
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What does photosphere mean?

noun

The outermost layer of the Sun's atmosphere, visible during a solar eclipse. It is the layer that we can see and is the source of sunlight.

Example

"The photosphere of the Sun is where the light we see is produced."

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

Synonyms for photosphere

Antonyms of photosphere

Rhymes with photosphere

Etymologically related