complement fixation


noun Immunology.

the binding of complement to immune complexes or to certain foreign surfaces, as those of invading microorganisms.

Nearby words

  1. complected,
  2. complection,
  3. complement,
  4. complement binding assay,
  5. complement clause,
  6. complement fixation test,
  7. complement protein,
  8. complement reaction,
  9. complement unit,
  10. complement-fixation test

Origin of complement fixation

First recorded in 1905–10 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for complement fixation

Medicine definitions for complement fixation

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.