- 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. 2018
- (tr) to treat (a photographic emulsion), usually after manufacture and shortly before exposure, to increase its speed