say it: stayn
stain is a noun and verb meaning "a soiled or discolored appearance". It carries 9 recorded senses.
a soiled or discolored appearance
“the wine left a dark stain”
(microscopy) a dye or other coloring material that is used in microscopy to make structures visible
microscopy
a symbol of disgrace or infamy
“And the Lord set a mark upon Cain”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for stain come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.