- Z Weighting
- Z-weighting is a flat frequency response of 10Hz to 20kHz ±1.5dB. This response replaces the older "Linear" or "Unweighted" responses as these did not define the frequency range over which the meter would be linear.
- Zwicker Loudness
- This is an objective method for measuring noise.
- A particle that contains both positively charged and negatively charged groups.
- Zworykin, Vladimir Kosma
- Played a role in the practical development of television from the early thirties, including charge storage-type tubes, infrared image tubes and the electron microscope.