delta wave

noun

Definition of delta wave

: a high amplitude electrical rhythm of the brain with a low frequency of less than four cycles per second that occurs especially in slow-wave sleep, is most prominent in infancy and early childhood, and may exhibit abnormal activity in various conditions (such as traumatic brain injury or dementia)

called also delta, delta rhythm

First Known Use of delta wave

1936, in the meaning defined above

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The first known use of delta wave was in 1936

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Cite this Entry

“Delta wave.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/delta%20wave. Accessed 21 January 2020.

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delta wave

noun

Medical Definition of delta wave

: a high amplitude electrical rhythm of the brain with a low frequency of less than four cycles per second that occurs especially in slow-wave sleep, is most prominent in infancy and early childhood, and may exhibit abnormal activity in various conditions (as traumatic brain injury or dementia)

called also delta, delta rhythm

More from Merriam-Webster on delta wave

Rhyming Dictionary: Words that rhyme with delta wave

Britannica.com: Encyclopedia article about delta wave

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