ultrasonics

plural noun

ul·​tra·​son·​ics ˌəl-trə-ˈsä-niks 

1

: ultrasonic vibrations or compressional waves

2

singular in construction : the study of ultrasonic vibrations and their associated phenomena

3

: ultrasonic devices

Examples of ultrasonics in a Sentence

Recent Examples on the Web

The full suite of sensors Volvo has presented include cameras, ultrasonics, LiDARs and radars. —James Morris, Forbes, 3 July 2021

Word History

First Known Use

1924, in the meaning defined at sense 1

Medical Definition

ultrasonics

noun, plural in form but singular in construction

ul·​tra·​son·​ics ˌəl-trə-ˈsän-iks 

1

: the science or technology of ultrasonic phenomena

2

: ultrasound sense 2