Schumann resonance

noun

Any of a set of spectrum peaks in the extremely low-frequency (ELF) portion of the Earth's electromagnetic field spectrum, generated and excited by lightning discharges in the cavity formed by the Earth's surface and the ionosphere.

Meanings

nounSchumann resonance (plural Schumann resonances)

plural Schumann resonances

  1. Any of a set of spectrum peaks in the extremely low-frequency (ELF) portion of the Earth's electromagnetic field spectrum, generated and excited by lightning discharges in the cavity formed by the Earth's surface and the ionosphere.

Origin

Named after the physicist Winfried Otto Schumann, who predicted them mathematically in 1952.

Full word history & related roots →
Cite this entry
APA

Schumann resonance. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Schumann%20resonance

MLA

“Schumann resonance.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Schumann%20resonance. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Schumann resonance,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Schumann%20resonance.

Source: Schumann resonance on Wiktionary, CC BY-SA 4.0.