Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
coulomb is a noun meaning "a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second". It carries 2 recorded senses.
a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
French physicist famous for his discoveries in the field of electricity and magnetism; formulated Coulomb's Law (1736-1806)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for coulomb come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.