The frame rate of some modern flat panel TVs. It is based on the same concepts as 120 Hz, except that there are more frames created in between the actual frames. See 120 Hz.
"240 Hz." YourDictionary, n.d. Web. 20 August 2018. <http://www.yourdictionary.com/240-hz>.
240 Hz. (n.d.). Retrieved August 20th, 2018, from http://www.yourdictionary.com/240-hz