Portuguese

Adjective

décimo oitavo ‎(feminine singular décima oitava, masculine plural décimos oitavos, feminine plural décimas oitavas, not comparable)

1. eighteenth (the ordinal form of the number eighteen)

Noun

décimo oitavo m (plural décimos oitavos, feminine décima oitava, feminine plural décimas oitavas)

1. eighteenth (the person or thing in the eighteenth position)