Racah
/ˈrakɑː/Physics and Chemistry
noun
Used attributive with reference to Racah's work in quantum mechanics; specifically Racah coefficient noun either of two coefficients representing electrostatic interactions within a system of equivalent charged particles, especially electrons within an atom; Racah parameter noun = Racah coefficient.
Origin
1950s; earliest use found in The Physical Review. From the name of Giulio Racah, Italian-born Israeli physicist, whose work on spectra gave rise to the coefficients.
- non-paid
- non-papist
- non-parallel
- non-parametric
- nonpareil
- non-participant
- non-participating
- non-participation
- non-partisan
- non-partisanship
- non-party
- non-passive
- nonpast
- non-pathogen
- non-pathogenic
- non-pathogenicity
- non-pathogenous
- non-patrial
- non-payer
- non-paying
- non-payment
- non-pedigree
- non-penetrative
- non-people
- non-peptide