Noun stain has 5 senses
  1. stain, discoloration, discolouration - a soiled or discolored appearance; "the wine left a dark stain"
    --1 is a kind of appearance, visual aspect
    --1 has particulars:
     scorch; bloodstain; iron mold, iron mould; mud stain; oil stain; tarnish
    Derived form: verb stain2
  2. stain - (microscopy) a dye or other coloring material that is used in microscopy to make structures visible
    --2 is a kind of
    coloring material, colouring material, color, colour
    --2 has particulars:
     gentian violet, crystal violet; methylene blue, methylthionine chloride; counterstain
    Derived form: verb stain4
  3. dirt, filth, grime, soil, stain, grease, grunge - the state of being covered with unclean things
    --3 is a kind of dirtiness, uncleanness
    Derived form: verb stain2
  4. mark, stigma, brand, stain - a symbol of disgrace or infamy; "And the Lord set a mark upon Cain"--Genesis
    --4 is a kind of symbol
    --4 has particulars:
     demerit; bar sinister, bend sinister; cloven hoof, cloven foot
    Derived form: verb stain3
  5. blot, smear, smirch, spot, stain - an act that brings discredit to the person who does it; "he made a huge blot on his copybook"
    --5 is a kind of mistake, error, fault
    Derived form: verb stain3
,Verb stain has 4 senses
  1. stain - color with a liquid dye or tint; "Stain this table a beautiful walnut color"; "people knew how to stain glass a beautiful blue in the middle ages"
    --1 is one way to
    dye
    Derived form: noun stainer1
    Sample sentences:
    Somebody ----s something
    Something ----s something
  2. stain - produce or leave stains; "Red wine stains the table cloth"
    --2 is one way to
    change, alter, modify
    Derived forms: noun stain3, noun stain1
    Sample sentence:
    Something ----s
  3. tarnish, stain, maculate, sully, defile - make dirty or spotty, as by exposure to air; 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"
    --3 is one way to spot, fleck, blob, blot
    Derived forms: noun stain4, noun stain5
    Sample sentences:
    Something ----s
    Somebody ----s something
    Something ----s something
  4. stain - color for microscopic study; "The laboratory worker dyed the specimen"
    --4 is one way to
    dye
    Derived forms: noun stain2, noun staining1
    Sample sentence:
    Somebody ----s something
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