chromophobe
adjective
chro·mo·phobe ˈkrō-mə-ˌfōb 
: resisting staining with dyes
Word History
Etymology
borrowed from German chromophob, from chromo- chromo- + -phob "lacking affinity for," borrowed from Greek -phobos "fearing" — more at -phobia
First Known Use
circa 1909, in the meaning defined above
Medical Definition
chromophobe 1 of 2
adjective
chro·mo·phobe ˈkrō-mə-ˌfōb
variants also chromophobic
ˌkrō-mə-ˈfō-bik
: not readily absorbing stains : difficult to stain
chromophobe tumors
chromophobe
2 of 2noun
: a chromophobe cell especially of the pituitary gland