Abt system

== English == === Etymology === Named after the inventor, Roman Abt. === Pronunciation === (Received Pronunciation) IPA(key): /ɑːpt ˈsɪs.tm̩/, /æpt ˈsɪs.tm̩/ (US) IPA(key): /ɑpt ˈsɪs.tm̩/, /æpt ˈsɪs.tm̩/ === Noun === Abt system (plural Abt systems) (rail transport) A rail system used in mountainous terrain with multiple cograils. === References === Philip Babcock Gove (editor), Webster's Third International Dictionary of the English Language, Unabridged (G. & C. Merriam Co., 1976 [1909], →ISBN), page 8