trillionth

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English[edit]

Etymology[edit]

trillion +‎ -th

Adjective[edit]

trillionth (not comparable)

  1. The ordinal form of the number one trillion.

Noun[edit]

trillionth (plural trillionths)

  1. The person or thing in the trillionth position.
  2. One of a trillion equal parts of a whole.