Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The ordinal number matching the number million in a series.
  • noun One of a million equal parts.

from The Century Dictionary.

  • Ten hundred thousandth; being one of a million.
  • noun One of a million parts; the quotient of unity divided by a million; a ten hundred thousandth part.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Being the last one of a million of units or objects counted in regular order from the first of a series or succession; being one of a million.
  • noun The quotient of a unit divided by one million; one of a million equal parts.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective The ordinal form of the number one million.
  • noun The person or thing in the millionth position.
  • noun One of a million equal parts of a whole. Term ppm (parts per million) is also used.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective the ordinal number of one million in counting order
  • noun position 1,000,000 in a countable series of things
  • noun one part in a million equal parts

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

million +‎ -th

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