noun · 2 senses · updated from the 2026-07-25 local source snapshot
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.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Canada:/əˌlɛktɹoʊ.ənˈsɛfələˌɡɹæm/
Southern-England:Recorded audio is listed in the source snapshot.
US:/əˌlɛktɹoʊ.ɛnˈsɛfloʊˌɡɹæm/
1
noun
Meaning 1
A recording of electrical brain activity (brain waves) made by an electroencephalograph.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
a graphical record of electrical activity of the brain; produced by an electroencephalograph
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: encephalogram, EEG
Antonyms: none provided
Broader terms: graph, graphical record
History
Etymology
Etymology tree French électro-bor. Ancient Greek ἤλεκτρον (ḗlektron)bor. Latin ēlectrum Latin electro-bor. English electro- English encephalogram English electroencephalogram From electro- + encephalogram.
Across languages
Translations
21 source translations are retained for this English entry.
Catalan:
electroencefalograma
— a recording of electrical brain activity made by an electroencephalograph
Chinese Mandarin:
腦電圖 /脑电图
(nǎodiàntú)
— a recording of electrical brain activity made by an electroencephalograph
Czech:
elektroencefalogram
— a recording of electrical brain activity made by an electroencephalograph
Danish:
elektroencefalogram
— a recording of electrical brain activity made by an electroencephalograph
Dutch:
elektro-encefalogram
— a recording of electrical brain activity made by an electroencephalograph
Finnish:
aivosähkökäyrä
— a recording of electrical brain activity made by an electroencephalograph
Finnish:
elektroenkefalogrammi
— a recording of electrical brain activity made by an electroencephalograph
Finnish:
aivokäyrä
— a recording of electrical brain activity made by an electroencephalograph
French:
électroencéphalogramme
— a recording of electrical brain activity made by an electroencephalograph
Greek:
ηλεκτροεγκεφαλογράφημα
(ilektroegkefalográfima)
— a recording of electrical brain activity made by an electroencephalograph
Hungarian:
elektroenkefalogram
— a recording of electrical brain activity made by an electroencephalograph
Hungarian:
EEG
— a recording of electrical brain activity made by an electroencephalograph
Icelandic:
heilarit
— a recording of electrical brain activity made by an electroencephalograph
Icelandic:
heilalínurit
— a recording of electrical brain activity made by an electroencephalograph
Indonesian:
elektroensefalogram
— a recording of electrical brain activity made by an electroencephalograph
Italian:
elettroencefalogramma
— a recording of electrical brain activity made by an electroencephalograph
Kazakh:
электроэнцефалограмма
(élektroénsefalogramma)
— a recording of electrical brain activity made by an electroencephalograph
Norwegian Bokmål:
elektroencefalogram
— a recording of electrical brain activity made by an electroencephalograph
Norwegian Nynorsk:
elektroencefalogram
— a recording of electrical brain activity made by an electroencephalograph
Spanish:
electroencefalograma
— a recording of electrical brain activity made by an electroencephalograph
Swedish:
elektroencefalogram
— a recording of electrical brain activity made by an electroencephalograph
