Billionth Definition

bĭlyənth
billionths
noun
billionths
The ordinal number matching the number one billion in a series.
American Heritage
The last in a series of a billion.
Webster's New World
One of a billion equal parts.
American Heritage
Any of the billion equal parts of something.
Webster's New World
The person or thing in the billionth position.
Wiktionary
Synonyms:
  • one-billionth
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adjective
Coming last in a series of a billion.
Webster's New World
Designating any of the billion equal parts of something.
Webster's New World
The ordinal form of the number one billion.
Wiktionary

Other Word Forms of Billionth

Noun

Singular:
billionth
Plural:
billionths

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