A composite wood board made from small wood chips mixed with a water-insoluble adhesive, then compressed into a dense solid panel. Particle boards were originally made in 1915 as wallboards. The most common adhesive in particle boards is urea formaldehyde glues are used which release volatile formaldehyde. Some particles boards are made with polyurea or phenolic resins. Particle boards are water-resistant, insect resistant, and dimensionally stable during humidity and temperature fluctuations. Particle boards are commonly used in the construction of inexpensive furniture, cabinetry and mobile homes.

Source: Art and Architect Thesaurus

http://vocab.getty.edu/page/aat/300014206