the theorem that an electron subjected only to the force exerted by the nucleus about which it is moving will undergo but no other change in motion when placed in a magnetic field.
/lɑːn/ verb (not standard) 1. (facetious) to learn 2. (transitive) to teach (someone) a lesson: that’ll larn you!
/ˈlɑːnæks/ noun 1. (archaeol) a coffin made of terracotta
/lɒːn/ noun 1. a district of NE Northern Ireland, in Co Antrim. Pop: 30 948 (2003 est). Area: 336 sq km (130 sq miles)
/ˈlɑːnɪ/ noun 1. a white person 2. a rich person adjective 3. (of clothes) smart