[fur-mee-duh-rak] /ˈfɜr mi dəˈræk/
plural noun, Physics.
quantum statistics defining the possible arrangements of particles in a given system in terms of the exclusion principle.
(physics) the branch of quantum statistics used to calculate the permitted energy arrangements of the particles in a system in terms of the exclusion principle Compare Bose-Einstein statistics
See under statistical mechanics.
- Fermi energy
noun 1. the level in the distribution of electron energies in a solid at which a quantum state is equally likely to be occupied or empty
[fur-mee-on] /ˈfɜr miˌɒn/ noun, Physics. 1. any particle that obeys the exclusion principle and Fermi-Dirac statistics; fermions have spins that are half an odd integer: 1/2, 3/2, 5/2, …. /ˈfɜːmɪˌɒn/ noun 1. any of a group of elementary particles, such as a nucleon, that has half-integral spin and obeys Fermi-Dirac statistics Compare boson fermion (fûr’mē-ŏn’, […]
/ˈfɜːmɔː/ noun 1. Sir Patrick (Michael) Leigh. 1915–2011, British traveller and author, noted esp for the travel books A Time of Gifts (1977) and Between the Woods and the Water (1986)
[fur-mee-uh m] /ˈfɜr mi əm/ noun, Chemistry, Physics. 1. a transuranic element. Symbol: Fm; atomic number: 100. /ˈfɜːmɪəm/ noun 1. a transuranic element artificially produced by neutron bombardment of plutonium. Symbol: Fm; atomic no: 100; half-life of most stable isotope, 257Fm: 80 days (approx.) n. discovered in the debris of a 1952 U.S. nuclear test […]