Meaning of “slide” - Learner’s Dictionary

slide

noun uk us /slaɪd/
PHOTOGRAPH [ C ]

a small piece of film that you shine light through in order to see a photograph

GAME [ C ]

a large object that children climb and slide down as a game

GLASS [ C ]

a small piece of glass that you put something on when you want to look at it under a microscope (= equipment used to make things look bigger)

LESS/WORSE [ no plural ]

a reduction in the level or quality of something :

a price slide

(Definition of “slide noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)