Definition of photosphere Photosphere

pho•to•sphere

We found 4 definitions of photosphere from 4 different sources.

What does photosphere mean?

WordNet

Noun

Plural: photospheres

photosphere - the intensely luminous surface of a star (especially the sun)

surface the outer boundary of an artifact or a material layer constituting or resembling such a boundary; "there is a special cleaner for these surfaces"; "the cloth had a pattern of red dots on a white surface"

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Wiktionary

photosphere (Noun)
A visible surface layer of a star, and especially that of a sun.

Webster DictionaryWebster's Unabridged Dictionary 📘

photosphere (n.)
A sphere of light; esp., the luminous envelope of the sun.

Chambers DictionaryChamber's 20th Century Dictionary 📕

photosphere
fō′tō-sfēr, n. the luminous envelope round the sun's globe, which is the source of light. [Gr. phōs, phōtos, light, sphaira, a sphere.]