Noun staining has 2 senses
  1. staining - (histology) the use of a dye to color specimens for microscopic study
    --1 is a kind of
    dyeing
    --1 has particulars:
     Gram's method, Gram method, Gram's procedure, Gram's stain, Gram stain
    Derived form: verb stain4
  2. staining, spotting, maculation - the act of spotting or staining something
    --2 is a kind of soiling, soilure, dirtying
,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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