----- Original Message -----
From: "Claudio Valderrama C." <cvalde@...>

>That's how I learned it in Spanish, too, whether it's the most correct way
>or not:
>
>10^6 Millón
>10^9 Mil millones (didn't check the dicctionary for a name)
>10^12 Billón
>10^15 Mill billones (again, didn't check the dictionary)
>10^18 Trillón

I heard "miliardo" sometimes for 10^9, but I think it's not common use, I
learned "mil millones" too

Jordi