noun
a soiled or discolored appearance
Synonyms
Examples
- the wine left a dark stain
noun
(microscopy) a dye or other coloring material that is used in microscopy to make structures visible
noun
the state of being covered with unclean things
Synonyms
noun
a symbol of disgrace or infamy
Synonyms
Examples
- And the Lord set a mark upon Cain"--Genesis
noun
an act that brings discredit to the person who does it
Synonyms
Examples
- he made a huge blot on his copybook
verb
color with a liquid dye or tint
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
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
Examples
- The laboratory worker dyed the specimen