Pronunciation: [plˈastəɹ ɒv pˈaɹɪs] (IPA) 
The spelling of "Plaster of Paris" may seem straightforward, but the pronunciation of the word "plaster" has a tricky element. The IPA phonetic transcription for "plaster" is /ˈplæstər/. Notice that the "a" sound is the same as the "a" in "cat" or "hat" (/æ/), rather than the "a" in "day" or "play". So, when saying "Plaster of Paris", remember to pronounce the "a" as /æ/ to ensure proper enunciation of the word.
Plaster of Paris is a common name used for a form of calcium sulfate hemihydrate, a white powder that is derived from gypsum. It is known for its versatile and practical use in various fields, especially in the construction industry and the arts and crafts sector.
In construction, plaster of Paris is commonly used for creating intricate and decorative moldings, as well as for repairing damaged walls and ceilings. It has excellent adhesive qualities and can be shaped and molded easily when mixed with water. Once dry, it hardens and becomes a solid material, capable of retaining its shape. This makes it ideal for creating casts and models, providing a strong and durable result.
In the arts and crafts field, plaster of Paris is often used for creating sculptures, figurines, and other artistic forms. It is prized for its ability to capture fine details and smooth surfaces. Additionally, it can be molded and carved to achieve various textures and designs.
Plaster of Paris is also utilized in medical applications, such as orthopedic casts for setting broken bones. Its quick-drying properties make it an effective and efficient material for immobilizing fractures and supporting the healing process.
Overall, plaster of Paris is a versatile material that finds its application in construction, art, and medicine. With its ability to be shaped, solidified, and retain durability, it has become an essential substance in various industries.
Gypsum, or calcium sulphate, from which the water of crystallization has been expelled by heat, calcii sulphas exsiccatus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The cement or plaster obtained from gypsum or sulphate of lime, so called from its having been first prepared near Paris, usually sold in the form of a white powder, and largely used in the arts.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
