Definitions

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

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

from The Century Dictionary.

  • Being last in order of a series of a trillion.
  • Being one of a trillion parts.
  • noun One of a trillion parts; the quotient of unity divided by a trillion.

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

  • adjective The ordinal form of the number one trillion.
  • noun The person or thing in the trillionth position.
  • noun One of a trillion equal parts of a whole

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

  • adjective the ordinal number of one trillion in counting order
  • noun one part in a trillion equal parts

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