Bohr founded the Institute of Theoretical Physics at the University of Copenhagen, now known as the Niels Bohr Institute, which opened in 1920. Bohr mentored and collaborated with physicists including Hans Kramers, Oskar Klein, George de Hevesy and Werner Heisenberg.
mineral. n. 1. (Minerals) any of a class of naturally occurring solid inorganic substances with a characteristic crystalline form and a homogeneous chemical composition.2. any inorganic matter.3. (Mining & Quarrying) any substance obtained by mining, esp a metal ore.4. (Cookery) (often plural) Brit short for mineral water.oun. 1. mineral-solid homogeneous inorganic substances occurring in nature having a definite chemical composition. material, stuff-the tangible substance that goes into the makeup of a physical object; coal is a hard black material; wheat is the stuff they use to make bread.
A mineral is a homogeneous naturally occurring substance with a definite but not necessarily fixed chemical composition. Most minerals are solids with an ordered atomic arrangement, and most are inorganic in the chemical sense of that word.