A graphics programming interface (API) for Mac OS X, included in Version 10.11 (El Capitan). Metal was introduced for Apple's mobile devices, starting with iOS 8. See El Capitan, Mac OS X and iOS versions.
"Metal for Mac." YourDictionary, n.d. Web. 17 August 2018. <http://www.yourdictionary.com/metal-for-mac>.
Metal for Mac. (n.d.). Retrieved August 17th, 2018, from http://www.yourdictionary.com/metal-for-mac