the binding of complement to immune complexes or to certain foreign surfaces, as those of invading microorganisms.
Compliment vs. ComplementCompliment and complement are commonly confused terms because they’re pronounced alike and originally shared some meanings. But over time, they’ve become separate words with entirely different definitions. What does complement mean? Complement with an E is the older of the two terms. Its noun sense has been around in English since the 1300s. The term derives from the Latin complēmentum, meaning “something that completes.” So, that means if …
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- complement binding assay,
- complement clause,
- complement fixation test,
- complement protein,
- complement reaction,
- complement unit,
- complement-fixation test
Origin of complement fixation
First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for complement fixation
The binding of active complement to a specific antigen-antibody pair used in diagnostic tests, such as the Wasserman test, to detect the presence of a specific antigen or antibody.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.