From Longman Dictionary of Contemporary EnglishLCDLCD /ˌel siː ˈdiː/ noun [countable] DT (liquid crystal display) the part of a watch, calculator, or small computer where numbers or letters are shown by means of an electric current that is passed through a special liquidFrom Longman Business DictionaryLCDLCD noun [countable]COMPUTING liquid crystal display; a type of screen where an electric current is passed through a liquid chemical in order to show numbers, letters etc. LCDs are used especially on small computers, scientific instruments, and watches
