- A unit of measurement of the power of a complex audio signal, and whose values are usually indicated by a VU meter. Volume units are usually specified relative to a reference power, such as 1 milliwatt or 4 dBm. 2. A volume unit (1) utilized to measure a fluctuating AC or a complex electric wave.
Information & Library Science
- abbreviation in Internet addresses, the top-level domain for Vanuatu