billionth

English

English numbers (edit)
 ←  1,000,000 (106)  ←  100,000,000 (108) 1,000,000,000 (109) 1012   [a], [b] 1015   [a], [b]
    Cardinal: billion, milliard, thousand million
    Ordinal: billionth, milliardth
    Multiplier: billionfold, milliardfold
    Metric collective prefix: giga-
    Metric fractional prefix: nano-
    Number of years: giga-annum, gigayear
English numbers (edit)
 ←  1,000,000 (106) [a], [b]   1,000,000,000 (109) 1012 1015   [a], [b] 1018   [a], [b]
    Cardinal: trillion, billion
    Ordinal: trillionth, billionth
    Multiplier: trillionfold, billionfold
    Metric collective prefix: tera-
    Metric fractional prefix: pico-

Etymology

billion + -th

Pronunciation

  • IPA(key): /ˈbɪl.i.ənθ/
    • (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:
      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.

Translations

This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.