1. Adjective
Nine and ten; eighteen and one more; one less than twenty; as, nineteen months.
2. Noun
The number greater than eighteen by a unit; the sum of ten and nine; nineteen units or objects.
3. Noun
A symbol for nineteen units, as 19 or xix.
4. Noun
the cardinal number that is the sum of eighteen and one
Vocabulary classified under Mathematics
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