Million

A million (1,000,000) is a large number. It is one thousand thousands.

[change] Examples

A millionaire is someone who owns at least one million units of currency
In computer science a megabyte is about a million bytes.
In measurement there are a million millimeters in a kilometer. There are a million meters in a megameter. (A person who travels completely around earth's equator travels 40 megameters). Also, light travels a million kilometers in around 3 seconds (See light speed)