billionth
| 1. |
(satellite adjective) the ordinal number of one billion in counting order |
|
| 2. |
(noun) (in the U.S.) position 1,000,000,000 in a countable series of things |
|
Related Words: rank |
|
| 3. |
(noun) one part in a billion |
|
Synonyms: one-billionth |
|
Related Words: common fraction, simple fraction |
|
|