Ultraviolet vs Ultrasound - What's the difference?
ultraviolet | ultrasound |
of electromagnetic radiation beyond (higher in frequency than) light visible to the human eye; radiation with wavelengths from 380 nanometre - 10 nanometre
Ultraviolet colour.
(physics) sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz
(medicine) The use of ultrasonic waves for diagnostic or therapeutic purposes