immunodiffusion

[im-yuh-noh-di-fyoo-zhuhn, ih-myoo-]

im·mu·no·dif·fu·sion

[im-yuh-noh-di-fyoo-zhuhn, ih-myoo-]
noun
any of various analytical techniques that involve antigen and antibody solutions diffusing toward each other in a gel until antibody binds specifically to antigen to form a precipitate.

Origin:
1955–60; immuno- + diffusion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Immunodiffusion has a plethora of syllables.
So is antidisestablishmentarianism. Does it mean:
(used as a nonsense word by children to express approval or to represent the longest word in English.)
opposition to the withdrawal of state support or recognition from an established church, esp. the Anglican Church in 19th-century England.
American Heritage
Medical Dictionary

immunodiffusion im·mu·no·dif·fu·sion (ĭm'yə-nō-dĭ-fy&oomacr;'zhən, ĭ-my&oomacr;'-)
n.
A technique for studying reactions between antigens and antibodies by observing precipitates formed by the combination of specific antigens and antibodies that have diffused in a gel in which they have been separately placed.

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