Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Thousandth.
  • adj. Consisting of a thousandth.
  • adj. Relating to thousandths.
  • n. A thousandth.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. thousandth; consisting of thousandth parts

from the GNU version of the Collaborative International Dictionary of English

  • adj. Thousandth; consisting of thousandth parts.

from The Century Dictionary and Cyclopedia

  • Thousandth; consisting of thousandth parts: as, millesimal fractions.

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

From Latin mīllēsimus, from mīlle, thousand; see gheslo- in Indo-European roots.

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin millesimus, from mille a thousand.

Examples

  • Our annual contribution to the school is equivalent to half of a millesimal part of what our country spends each year in the sphere of education and culture.

    CASTRO SPEAKS AT BROADCAST SCHOOL INAUGURATION

  • Who could dream some ten years ago that science would be able to penetrate the problems of heredity in that way, and find the mechanism that lies behind the crossing results of plants and animals; that it would be possible to localize in these chromosomes, which are so small that they must be measured by the millesimal millimetre, hundreds of hereditary factors, which we must imagine as corresponding to infinitesimal corpuscular elements.

    Physiology or Medicine 1933 - Presentation Speech

  • The purity of a millesimal fineness, such as 0.995 being very pure.

    Zach Klein Universal Feed

Comments

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  • A homeopathic professional

    Doles dosages infinitesimal.

    He need never wrestle

    With mortar and pestle;

    His pipette drops portions millesimal.

    February 28, 2018