electroencephalogram

noun

elec·​tro·​en·​ceph·​a·​lo·​gram i-ˌlek-trō-in-ˈse-f(ə-)lə-ˌgram 

: the tracing of brain waves made by an electroencephalograph

Examples of electroencephalogram in a Sentence

Recent Examples on the Web

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

Neuroscientists can track these states and their distinct neural signatures using an electroencephalogram ( EEG), which records the collective electrical activity of cortical neurons. —Rachel Barr, Big Think, 20 Aug. 2025

Gracias’s team developed a 3D electroencephalogram (EEG) shell that wraps around an organoid, enabling richer stimulation and recording than conventional flat electrodes. —IEEE Spectrum, 9 Aug. 2025

The 75 other participants were each led into a dark, quiet room and hooked up to an electroencephalogram (EEG) monitor that measured the electrical activity in their brains. —Sarah Kuta, Smithsonian Magazine, 30 June 2025

Word History

Etymology

International Scientific Vocabulary

First Known Use

1934, in the meaning defined above

Rhymes for electroencephalogram

• abraham
• anagram
• cablegram
• cofferdam
• dendrogram
• diagram
• diaphragm
• epigram
• hexagram
• histogram
• hologram
• instagram

Kids Definition

electroencephalogram

noun

elec·​tro·​en·​ceph·​a·​lo·​gram i-ˌlek-trō-en-ˈsef-ə-lə-ˌgram 

: 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 

: the tracing of brain waves made by an electroencephalograph