ag·​gre·​gom·​e·​ter | \ ˌa-gri-ˈgä-mə-tər How to pronounce aggregometer (audio) \
plural aggregometers

Definition of aggregometer

: an instrument for measuring the aggregation of platelets in a sample of blood Finally, a clinically easy-to-use and accurate bedside platelet aggregometer may help deliver optimal antiplatelet therapy to our patients.— Steven P. Schulman, Journal of the American Medical Association, 20 Oct. 2004

Note: An aggregometer records the changes in the relative intensities of light passing through a sample of blood when it is treated with an agent (such as ADP or collagen) that acts to aggregate platelets.

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Other Words from aggregometer

aggregometry \ ˌa-​gri-​ˈgä-​mə-​trē How to pronounce aggregometer (audio) \ noun
The standard test of how readily platelets clump is called aggregometry. It is usually performed in a specialized laboratory and can take two to three hours. — Andrew Pollack, New York Times, 20 July 2004

First Known Use of aggregometer

1972, in the meaning defined above

History and Etymology for aggregometer

aggreg(ation) + -o- + -meter

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The first known use of aggregometer was in 1972

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Cite this Entry

“Aggregometer.” Dictionary, Merriam-Webster, Accessed 28 Oct. 2021.

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