Standard Lemma 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.
Sound
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.
noun
The detailing of interfaces in the brain by means of ultrasonic waves.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: medicine, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a noninvasive diagnostic procedure that uses ultrasound to study the anatomy of the brain
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: diagnostic procedure, diagnostic technique
History
Etymology tree Proto-Indo-European *sweh2gh-der. Proto-Hellenic *wākhā́ Ancient Greek ἠχή (ēkhḗ) Proto-Indo-European *-ṓy Ancient Greek -ώ (-ṓ) Ancient Greek ἠχώ (ēkhṓ)der. English echo- English encephalography English echoencephalography From echo- + encephalography.
Across languages
1 source translations are retained for this English entry.
