noun
vertical scan frequency
Technical term in computing; refers to the rate at which a display refreshes vertically, often expressed in Hz.
このモニターの垂直走査周波数は60Hzです。
The vertical scan frequency of this monitor is 60 Hz.
Compound of 垂直 (vertical), 走査 (scanning), and 周波数 (frequency). A straightforward technical term with no obscure historical derivation.