Definition of Billionth:
Each of one billion equal parts into which something is or may be divided.
Constituting number one billion in a sequence; 1,000,000,000th.
One part in a billion. Equivalent to 1/1,000,000,000.
How to use Billionth in a sentence?
- Particles so small theyre measured in billionths of a meter.
- The birth of Indias billionth citizen.
Meaning of Billionth & Billionth Definition