electroencephalogram

noun

elec·​tro·​en·​ceph·​a·​lo·​gram i-ˌlek-trō-in-ˈse-f(ə-)lə-ˌgram How to pronounce electroencephalogram (audio)
: the tracing of brain waves made by an electroencephalograph

Examples of electroencephalogram in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Zohny said it could possibly be used to help measure consciousness from brain signals, such as with an electroencephalogram, or EEG, a test that measures electrical activity in the brain. Cara Anthony, Miami Herald, 13 Sep. 2025 Zohny said it could possibly be used to help measure consciousness from brain signals, such as with an electroencephalogram, or EEG, a test that measures electrical activity in the brain. Kff Health News, Oc Register, 12 Sep. 2025 Zohny said it could possibly be used to help measure consciousness from brain signals, such as with an electroencephalogram, or EEG, a test that measures electrical activity in the brain. Cara Anthony, CNN Money, 11 Sep. 2025 Researchers from Southwest University in China enlisted 30 volunteers prone to moderate motion sickness to experience a simulated driving task while wearing electroencephalogram (EEG) caps to track brain activity. New Atlas, 2 Sep. 2025 See All Example Sentences for electroencephalogram

Word History

Etymology

International Scientific Vocabulary

First Known Use

1934, in the meaning defined above

Time Traveler
The first known use of electroencephalogram was in 1934

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Cite this Entry

“Electroencephalogram.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electroencephalogram. Accessed 15 Sep. 2025.

Kids Definition

electroencephalogram

noun
elec·​tro·​en·​ceph·​a·​lo·​gram i-ˌlek-trō-en-ˈsef-ə-lə-ˌgram How to pronounce electroencephalogram (audio)
: the tracing of brain waves that is made by an electroencephalograph

Medical Definition

electroencephalogram

noun
elec·​tro·​en·​ceph·​a·​lo·​gram -in-ˈsef-ə-lə-ˌgram How to pronounce electroencephalogram (audio)
: the tracing of brain waves made by an electroencephalograph

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