Meanings
nounEvershed effect (plural Evershed effects)
plural Evershed effects
- The radial flow of gas across the photospheric surface of the penumbra of sunspots from the inner border with the umbra towards the outer edge.
Origin
Named after British astronomer John Evershed.
Full word history & related roots →Cite this entry
APA
Evershed effect. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Evershed%20effect
MLA
“Evershed effect.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Evershed%20effect. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Evershed effect,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Evershed%20effect.
Source: Evershed effect on Wiktionary, CC BY-SA 4.0.