Meaning of ostium | Babel Free
[ˈoːs.ti.ũː]Definitions
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door declension-2
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entrance declension-2
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estuary declension-2
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mouth (of a river) declension-2
Equivalents
CEFR level
B1
Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.
This word is part of the CEFR B1 vocabulary — intermediate level.