alpha wave

noun

An electrical signal produced by the brain while the subject is relaxed.

Meanings

nounalpha wave (plural alpha waves)

plural alpha waves

  1. medicineAn electrical signal produced by the brain while the subject is relaxed.

Synonyms & antonyms

nounthe normal brainwave in the electroencephalogram of a person who is awake but relaxed; occurs with a frequency of 8-12 hertz

Broader
brainwavebrain wavecortical potential
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

French rythme alpha
  • rythme alphaelectrical signal produced by the brain
Hungarian alfa-hullám
  • alfa-hullámelectrical signal produced by the brain
Icelandic alfa-bylgja
  • alfa-bylgjaelectrical signal produced by the brain
Portuguese onda alfa
  • onda alfaelectrical signal produced by the brain
Spanish onda alfa
  • onda alfaelectrical signal produced by the brain
Vietnamese sóng alpha
  • sóng alphaelectrical signal produced by the brain
Cite this entry
APA

alpha wave. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/alpha%20wave

MLA

“alpha wave.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/alpha%20wave. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “alpha wave,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/alpha%20wave.

Source: alpha wave on Wiktionary, CC BY-SA 4.0.