What is the meaning of type iv allergic reaction?

noun

  • An allergic reaction that becomes apparent only hours after contact.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). type iv allergic reaction. Retrieved September 23, 2026, from http://smartdefine.org/type_iv_allergic_reaction/definitions/1317870
ChicagoWordNet. 2010. "type iv allergic reaction" http://smartdefine.org/type_iv_allergic_reaction/definitions/1317870 (accessed September 23, 2026).
HarvardWordNet 2010, type iv allergic reaction, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/type_iv_allergic_reaction/definitions/1317870>.
MLAWordNet. "type iv allergic reaction" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/type_iv_allergic_reaction/definitions/1317870>