Definition - What does Refresh Rate mean?
Refresh rate is measured in hertz and will vary according to the architecture of the display device.
Refresh rate is also known as vertical refresh rate or vertical scan rate.
Techopedia explains Refresh Rate
The refresh rate of a typical computer monitor ranges from 60 to 100 hertz depending on its screen size, whereas for an LCD monitor, refresh rate is on the higher side due to their advanced technology. Refresh rates lower than 70 hertz are considered negative rates as they cause the display screen to flicker.