Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A type of electrical activity in the brain: brain waves with a frequency of 4-8 hertz.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: theta wave
Antonyms: none provided
Broader terms: brainwave, brain wave, cortical potential
History
From theta + rhythm.
