billionth
(bil′yənt̸h)
adjective
- coming last in a series of a billion
- designating any of the billion equal parts of something
noun
- the last in a series of a billion
- any of the billion equal parts of something
See billionth in American Heritage Dictionary 4
noun- The ordinal number matching the number one billion in a series.
- One of a billion equal parts.
Related Forms:
- bilˈlionth adjective & adv.
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