hundred-millionth

English

English numbers (edit)
[a], [b] ←  100,000  ←  10,000,000 (107) 100,000,000 (108) 1,000,000,000 (109)  → [a], [b], [c]
    Cardinal: hundred million, one hundred million
    Ordinal: hundred-millionth, one-hundred-millionth

Etymology

From hundred million +‎ -th.

Adjective

hundred-millionth (not comparable)

  1. The ordinal form of the number one hundred million.
    Synonym: one-hundred-millionth

Noun

hundred-millionth (plural hundred-millionths)

  1. One of one hundred million equal parts of a whole.
    Synonym: one-hundred-millionth
    • 1925 June 14, Benjamin Harrow, “Atoms That Make the World; CONCERNING THE NATURE OF THINGS. By Sir William Bragg, F.R.S. []”, in The New York Times[1], New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 17 November 2025:
      The newer methods tell us quite definitely, for example, that the diameter of an atom of diamond (which. chemically speaking, happens to be but one of a number of forms of carbon) is 1.54 hundred-millionths of a centimeter, the centimeter being less than one-half inch.
    • 1996 February 8, Charles Perry, “Measured Words”, in Los Angeles Times[2], Los Angeles, Calif.: Los Angeles Times Communications, →ISSN, →OCLC, archived from the original on 17 November 2025:
      Old weighing instruments couldn’t even measure a mite (1/8750 ounce), much less a blanc, which would have been about a hundred-millionth of an ounce.
    • 2010 May 10, “It’s crystal clear that volcanic ash is like cotton candy”, in The Washington Post[3], Washington, D.C.: The Washington Post Company, →ISSN, →OCLC, archived from the original on 17 November 2025:
      Imagine a beautiful stack of oranges (a stack that goes on forever and whose units are a couple hundred-millionths the size of a piece of fruit) and you'll get a feel for a crystal's internal structure.