millionth

/ˈmɪljənθ/
adjective
  1. Coming after the 999,999th in a series; the ordinal number for one million.
    • He finished in millionth place in the online contest.
    • The company celebrated shipping its millionth product.
    • She was the millionth customer to enter the store and won a prize.
noun
  1. One of a million equal parts of something; a fraction equal to 1/1,000,000.
    • A microgram is one millionth of a gram.
    • The error was just a millionth of a second.
    • Only a millionth of the water in the ocean is drinkable.
What does "millionth" mean? | whatsthatwordmean | whatsthatwordmean