billionth

English

English numbers ^(edit)

	1,000,000,000
Cardinal: billion, milliard, thousand million     Ordinal: billionth, milliardth     Multiplier: billionfold, milliardfold

English numbers ^(edit)

	1,000,000,000,000
Cardinal: trillion, billion     Ordinal: trillionth, billionth     Multiplier: trillionfold, billionfold

Etymology

billion +‎ -th

Pronunciation

• IPA^(key): /ˈbɪl.i.ənθ/

  • Audio (UK)

    (file)

Adjective

billionth (not comparable)

1. The ordinal form of the number one billion.

Noun

billionth (plural billionths)

1. The person or thing in the billionth position.
2. One of a billion equal parts of a whole.
   • 2020 April 19, Robin McKie, “Coronavirus: five months on, what scientists know about Covid-19”, in The Guardian‎^[1]:

     That is an extraordinary achievement for a spiky ball of genetic material coated in fatty chemicals called lipids, and which measures 80 billionths of a metre in diameter. Humanity has been brought low by a very humble assailant.