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billionth

billionth

2 3.9
A position in a series that is number one billion
  • noun
  • /ˈbɪljənθ/
translation icon : mil millonésimo
  • In 2011, the world population reached its sevenbillionth person, marking a significant milestone in history.
  • one billionth
  • 1 billionth
  • billionth of a second

Examples

  • So was it a celebration of that billionth user?

    Blog text (17)
  • The 3 billionth person will be online shortly.

    Blog text (8)
  • We just had the seven billionth person a couple of weeks ago.

  • You know, was it last week we just reached the seven billionth member of our global family?

  • The arrival of the 7 billionth person is cause for profound global concern.

    Blog text (13)
  • You are our one-billionth customer.

  • The company also recently clocked its one-billionth check-in.

    Blog text (16)
  • Facebook tugs at our heartstrings with its first major advertisement to celebrate its one billionth user, "The Things That Connect Us."

    Blog text (20)
  • The factory celebrated the production of its onebillionth item last month, highlighting its growth over the years.

  • With the discovery of new planets, astronomers noted the existence of its tenbillionth star in the galaxy.

Compounds

One of a billion equal parts

Surface Forms

billionth singular
billionths plural

Morphology

billionth = billion (transparent) = billion + th

The noun meaning 'the position that is number one billion' is a direct nominal use of the ordinal formed from 'billion' + '-th'.

Etymology

The word billionth is formed from billion plus the ending -th, like millionth or third, which turns a number into a place in a list. So as a noun it names the place that is number 'one billion'.