nummulation

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English

Etymology

From Latin nummulus (money).

Noun

nummulation (plural nummulations)

  1. (physiology, rare) The arrangement of the red blood corpuscles in rouleaux, like piles of coins, as when a drop of human blood is examined under the microscope.
    • 1886 William Osler, “Cartwright Lectures on Certain Problems in the Physiology of the Blood,” Lecture 1, in Gaillard’s Medical Journal Volume 42:
      A marked peculiarity of these bodies is their tendency to cohere immediately after the blood is drawn, thus forming Schultze's grannule-masses, and this process is analogous to the nummulation of the red corpuscules.
    • 2019, Aya Murata et al., United States Patent Application Pub. No. 2019/0049428 A1:
      Examples of the other blood coagulation system measurement items include coagulation of blood (blood clotting), , nummulation of red blood cells, blood aggregation, , and fibrinolysis.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for nummulation”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)