Definitions for billionth
Overview of noun billionth
The noun billionth has 2 senses? (no senses from tagged texts)
1. billionth
(position 1,000,000,000 in a countable series of things)
2. one-billionth, billionth
(one part in a billion equal parts)
Overview of adj billionth
The adj billionth has 1 senses? (no senses from tagged texts)
1. billionth
(the ordinal number of one billion in counting order)
