billionth

/หˆbษชl.i.ษ™nฮธ/

IPA: /B IH1 L Y AH0 N TH/

noun
  1. 1

    The person or thing in the billionth position.

  2. 2

    One of a billion equal parts of a whole.

adjective
  1. 1

    The ordinal form of the number one billion.

Source: https://en.wiktionary.org/wiki/billionth