ech|o|en|ceph|a|log|ra|phy «EHK oh ehn SEHF uh LOG ruh fee», noun.
the use of ultrasonic apparatus for diagnosing cerebral tumors and lesions by analyzing the sound waves reflected from parts of the brain: »

Echoencephalography got its start in 1954 when Lars Leksell, a Swedish neurosurgeon, reported the use of pulsed ultrasound to reveal lateral shifts in certain structures which normally lie in the medial plane of the brain (Science News).

Useful english dictionary. 2012.

Look at other dictionaries:

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