verb (used with object), hy·per·sen·si·tized, hy·per·sen·si·tiz·ing.
Photography. to treat (a film or emulsion) so as to increase its speed.
Pathology. to strongly heighten a reaction upon reexposure to a particular antigen.
Also especially British, hy·per·sen·si·tise.
Origin of hypersensitize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(tr) to treat (a photographic emulsion), usually after manufacture and shortly before exposure, to increase its speed
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012