Sexually transmitted diseases (STDs) remain a major public health challenge in the U.S., especially among women, who. disproportionately bear the long-term consequences of STDs. For example, each year untreated STDs cause infertility in.
Chemically known as âcalcium sulfate dihydrate,â gypsum contains calcium, sulfur bound to oxygen, and water. Gypsum is an abundant mineral and takes forms including alabasterâa material used in decoration and construction as far back as ancient Egypt.hemically known as âcalcium sulfate dihydrate,â gypsum contains calcium, sulfur bound to oxygen, and water. Gypsum is an abundant mineral and takes forms including alabasterâa material used in decoration and construction as far back as ancient Egypt.
Full Definition of GYPSUM. 1. : a widely distributed mineral consisting of hydrous calcium sulfate that is used especially as a soil amendment and in making plaster of paris.2.: drywall. See gypsum defined for English-language learners.See gypsum defined for kids. ADVERTISEMENT.. : a widely distributed mineral consisting of hydrous calcium sulfate that is used especially as a soil amendment and in making plaster of paris. 2. : drywall. See gypsum defined for English-language learners.