Webster's 1913 Dictionary
MUSCHELKALK
Musch "el *kalk `, n. Etym: [G., from muschel shell + kalk limestone. ](Geol.)
Defn: A kind of shell limestone, whose strata form the middle one of the three divisions of the Triassic formation in Germany. See Chart, under Geology.
New American Oxford Dictionary
Muschelkalk
Mu schel kalk |ˈmo͝oSHəlˌkälk ˈmʊʃəlˌkælk | ▶noun Geology a limestone or chalk deposit from the Middle Triassic in Europe, esp. in Germany. ORIGIN mid 19th cent.: from German, literally ‘mussel chalk. ’
Oxford Dictionary
Muschelkalk
Muschelkalk |ˈmʊʃ (ə )lkalk | ▶noun [ mass noun ] Geology a limestone or chalk deposit from the Middle Triassic in Europe, especially in Germany. ORIGIN mid 19th cent.: from German, literally ‘mussel chalk ’.
Duden Dictionary
Muschelkalk
Mu schel kalk Substantiv, maskulin Geologie , der |M u schelkalk |ohne Plural mittlere Abteilung 3 der Trias
The Wordsmith Dictionary