Focus on the pronunciation of slide
English definition of “slide”
/slɑɪd/ n [C] (PHOTOGRAPH)
› a small piece of film in a frame which, when light is passed through it, shows a photograph on a screen: The art history professor showed us slides of the Parthenon today. › science In scientific study, a slide is a small piece of glass on which you put something in order to look at it through a microscope (= device that makes small objects look larger) and see its structure.