delta wave

noun

A high-amplitude neural oscillation with a frequency between 0.5 and 4 hertz, usually associated with the deep stage 3 of NREM sleep.

Similar
delta rhythm
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

noundelta wave (plural delta waves)

plural delta waves

  1. A high-amplitude neural oscillation with a frequency between 0.5 and 4 hertz, usually associated with the deep stage 3 of NREM sleep.

Synonyms & antonyms

nounthe normal brainwave in the encephalogram of a person in deep dreamless sleep; occurs with high voltage and low frequency (1 to 4 hertz)

Similar
delta rhythm
Broader
brainwavebrain wavecortical potential

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

delta wave. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/delta%20wave

MLA

“delta wave.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/delta%20wave. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “delta wave,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/delta%20wave.

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