Meaning of natural numbers | Babel Free
Definitions
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The set of positive integers, {1, 2, 3, ...}. plural, plural-normally
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The set of non-negative integers, {0, 1, 2, 3, ...}. plural, plural-normally
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.