stain - definition and synonyms

 
noun 

Your browser doesn’t support HTML5 audio

/steɪn/
singularstain
pluralstains
  1. 1
    [countable] a mark left accidentally on clothes or surfaces

    There was a dark stain on the carpet.

  2. 3
    [countable/uncountable] science a liquid used for adding colour to something to make it easier to examine under a microscope