1. smooth surfaces or structures for sliding down, especially playground equipment
2. individual pages or frames in a presentation
3. small pieces of glass for holding specimens under a microscope
Usage: scientific

1. moves smoothly along a surface
2. gradually decreases or declines

Examples

• The children played on the slides at the playground.
• She prepared twenty slides for her business presentation.
• The scientist examined the blood sample under the microscope using glass slides.
• The hockey puck slides across the ice.
• His grades began to slide after he stopped studying.
• The car slides on the icy road.
• The stock price slides lower each day.
• She slides the door open quietly.