coulomb -
Jewelry: pendant. From the homophone for Coulomb in Russian, кулон.
Wikipedia
The coulomb is the SI derived unit of electric charge, and is approximately equal to the charge of 6.24151 × 10 protons or −6.24151 × 10 electrons. It is named after Charles-Augustin de Coulomb.
OmegaWiki Dictionary
Ω
coulomb The SI unit of electrical charge with symbol "C", equal to the charge carried by a current of one ampere for one second.