Ob
See also: ob, ob., OB, ÖB, ob-, and Ob.
English
Etymology 1
From Russian Обь (Obʹ).
Proper noun
Ob
- A river in Russia; the westernmost of the three great Siberian rivers.
Derived terms
- Gulf of Ob
- Ob Sea
- Ob-Ugric
Translations
river in Russia
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Symbol
Ob
- (category theory) The set of objects of a category.
Usage notes
- Usually written followed by a pair of parentheses enclosing a capital letter which is the label of some particular category.
Anagrams
- BO, Bo, bo
Portuguese
Etymology
Borrowed from Russian Обь (Obʹ).
Proper noun
Ob m
- Ob (a river in Russia)