slide
UK[slaɪd]US[slaɪd]
v
to move smoothly and quietly, often across a surface while maintaining continuous contact.
v
to move or fall gradually into a worse condition or a particular state.
n
a structure with a smooth sloping surface for children to play on.
n
a small piece of transparent material on which an image is placed for viewing with a projector.
Etymology
the verb 'slide' originates from the old english word 'slīdan', meaning to glide or slip. this old english term is traced back to the proto-germanic root slīdaną, which carries the same sense of smooth, slipping motion. the word is part of a family of related terms in other germanic languages, such as middle dutch 'sliden' and old norse 'slíða'. its core concept of moving smoothly and effortlessly over a surface has remained remarkably consistent from its ancient roots to its modern usage, extending metaphorically to describe gradual decline or the mechanics of presentation technology.
Analysis
the word 'slide' is a simplex word of old english origin. it is not productively formed from smaller, independent morphemes in modern english.
Examples
the children love to slide down the snowy hill on their sleds.
the glass slid from the table and shattered on the floor.
she prepared a slide of the cell sample for the microscope.