Ply (layer)
Layer of material combined together
From Wikipedia, the free encyclopedia
A ply is a layer of material which has been combined with other layers in order to provide strength. The number of layers is indicated by prefixing a number, for example 4-ply, indicating material composed of 4 layers.
Etymology
Examples
- Yarn, where plying is a spinning technique to combine several fibres.
- Vehicle tires
- Plywood
- Toilet paper