Repeating decimals. 1  Converting a fraction to a repeating decimal. 2  Practice: Writing fractions as repeating decimals. 3  Converting repeating decimals to fractions (part 1 of 4  2) Practice: Converting repeating decimals to fractions 5  1. Converting repeating decimals to fractions (part 2 of  2)
hydatid mole , hydatidiform mole an abnormal pregnancy characterized by placental abnormality involving swollen chorionic villi, which form a large, grapelike mass of vesicles, by trophoblastic hyperplasia, and by loss of fetal blood vessels in the villi.
Pound mole, Amount of substance. For convenience in avoiding conversions, some American engineers adopted the pound-mole (noted lb-mol or lbmol), which is defined as the number of entities in 12 lb of 12C. One lb-mol is equal to 453.59237 mol. In the metric system, chemical engineers once used the kilogram-mole (noted kg-mol), which is defined as the number of entities in 12 kg of 12C, and often referred to the mole as the gram-mole (noted g-mol), when dealing with laboratory data.