Billionth Meaning in English
word
Definition
'Billionth' means one part out of a billion equal parts, or the position after the nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-ninth in a sequence.
Usage & Nuances
Most often used in scientific or mathematical contexts. Used as both a fraction (1/1,000,000,000) and an ordinal position (the billionth item). In U.S. English, 'billion' is 1,000,000,000; in some regions it may refer to 1,000,000,000,000, so check context. Adjective and noun forms: 'the billionth second', 'one billionth of a meter'.
Example Sentences
A nanometer is one billionth of a meter.
basic
This is only the billionth time I've told you.
basic
He finished in the billionth position in the contest.
basic
Scientists can measure changes at the billionth of a second.
natural
If I had a dollar for every time, I'd be a billionth as rich as Bill Gates.
natural
The difference was so small, less than a billionth of a gram.
natural