Milliardbillion
Milliardbillion is a neologism formed by compounding the terms "milliard" and "billion." It is generally used to describe an extremely large, though vaguely defined, quantity. The term does not hold a standardized definition in formal mathematics or major international dictionaries. Its usage often arises in discussions regarding the differences between the long and short scales of numeration.
In the long scale, which was historically used in Europe and is still used in some regions,