noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A visible surface layer of a star, and especially that of a sun.
2. 2
   the intensely luminous surface of a star (especially the sun) wordnet

Synonyms

All synonyms

beltcoronadaystarionospherelayerstratosphere

Etymology

From photo- + -sphere.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.