noun
(histology) the use of a dye to color specimens for microscopic study
noun
the act of spotting or staining something
Synonyms
verb
color with a liquid dye or tint
Synonyms
Examples
- Stain this table a beautiful walnut color
- people knew how to stain glass a beautiful blue in the middle ages
verb
produce or leave stains
Synonyms
Examples
- Red wine stains the table cloth
verb
make dirty or spotty, as by exposure to air
Synonyms
Examples
- also used metaphorically
- The silver was tarnished by the long exposure to the air
- Her reputation was sullied after the affair with a married man
verb
color for microscopic study
Synonyms
Examples
- The laboratory worker dyed the specimen