precipitin

pre·cip·i·tin

[pri-sip-i-tin]
noun Immunology.
an antibody that reacts with its specific antigen to form an insoluble precipitate.

Origin:
1895–1900; precipit(ate) + -in2

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Collins
World English Dictionary
precipitin (prɪˈsɪpɪtɪn) [Click for IPA pronunciation guide]
 
n
immunol an antibody that causes precipitation when mixed with its specific antigen

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Precipitin is always a great word to know.
So is flibbertigibbet. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a chattering or flighty, light-headed person.
American Heritage
Medical Dictionary

precipitin pre·cip·i·tin (prĭ-sĭp'ĭ-tĭn)
n.
An antibody that under suitable conditions combines with and causes a specific soluble antigen to precipitate.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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