411 REFERENCE · Wiktionary
Abt system
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named after the inventor, Roman Abt.
Pronunciation
en /ɑːpt ˈsɪs.tm̩/ /æpt ˈsɪs.tm̩/ RP
en /ɑpt ˈsɪs.tm̩/ /æpt ˈsɪs.tm̩/ US
Noun
en railroads A rail system used in mountainous terrain with multiple cograils.
References
8
en eponyms