n th

/ˈɛnθ/
adjective
  1. Referring to the last or most recent in a long series of occurrences, often implying repetition or annoyance.
    • This is the n-th email about the same issue this week.
    • He asked the n-th question about the project, and I was losing patience.
    • For the n-th time, please remember to lock the door when you leave.
  2. Relating to an unspecified or indefinite number in a sequence, especially in mathematics or computing.
    • In the formula, find the value of the n-th term of the sequence.
    • The algorithm calculates the n-th root of a number.
    • We need to determine the n-th element in the array.
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