ultrasonography

(ŭlˌtrə-sə-nŏgˈrə-fē)

1. Diagnostic imaging in which ultrasound is used to image an internal body structure or a developing fetus.
2. An imaging technique that uses high frequency sound waves to visualize underwater surfaces, boundaries, objects, and currents. In both senses also called echography.

Related Forms:

• ulˌtra·so·nogˈra·pher noun

• ulˌtra·sonˌo·graphˈic (-sŏnˌə-grăfˈĭk, -sōˌnə-) adjective