nineteen
US /ˌnaɪnˈtiːn/
UK /ˌnaɪnˈtiːn/

1.
diecinueve
the number equivalent to the sum of twelve and seven; one more than eighteen, or one less than twenty; 19
:
•
There are nineteen students in the class.
Hay diecinueve estudiantes en la clase.
•
She will turn nineteen next month.
Ella cumplirá diecinueve el próximo mes.