limb brightening

noun

The optical effect where, when certain wavelengths (not in the spectrum of visible light) are examined, the edge of the disk of a star appears brighter than the center of the disk.

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Meanings

nounlimb brightening (uncountable)
  1. uncountableastronomyThe optical effect where, when certain wavelengths (not in the spectrum of visible light) are examined, the edge of the disk of a star appears brighter than the center of the disk.
Cite this entry
APA

limb brightening. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/limb%20brightening

MLA

“limb brightening.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/limb%20brightening. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “limb brightening,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/limb%20brightening.

Source: limb brightening on Wiktionary, CC BY-SA 4.0.