stain /ˈsten/
  汙染,汙點,著色劑(vt.)霑染,染汙,著色(vi.)變髒
  stain /ˈsten/ 及物動詞
  染色,染劑,染料,著色斑,色素斑,沾汙,色素,著色,汙染,染色的
  Stain v. t. [imp. & p. p. Stained p. pr. & vb. n. Staining.]
  1. To discolor by the application of foreign matter; to make foul; to spot; as, to stain the hand with dye; armor stained with blood.
  2. To color, as wood, glass, paper, cloth, or the like, by processes affecting, chemically or otherwise, the material itself; to tinge with a color or colors combining with, or penetrating, the substance; to dye; as, to stain wood with acids, colored washes, paint rubbed in, etc.; to stain glass.
  3. To spot with guilt or infamy; to bring reproach on; to blot; to soil; to tarnish.
  Of honor void,
  Of innocence, of faith, of purity,
  Our wonted ornaments now soiled and stained.   --Milton.
  4. To cause to seem inferior or soiled by comparison.
     She stains the ripest virgins of her age.   --Beau. & Fl.
     That did all other beasts in beauty stain.   --Spenser.
  Stained glass, glass colored or stained by certain metallic pigments fused into its substance, -- often used for making ornamental windows.
  Syn: -- To paint; dye; blot; soil; sully; discolor; disgrace; taint.
  Usage: Paint, Stain, Dye. These denote three different processes; the first mechanical, the other two, chiefly chemical. To paint a thing is to spread a coat of coloring matter over it; to stain or dye a thing is to impart color to its substance. To stain is said chiefly of solids, as wood, glass, paper; to dye, of fibrous substances, textile fabrics, etc.; the one, commonly, a simple process, as applying a wash; the other more complex, as fixing colors by mordants.
  Stain, v. i. To give or receive a stain; to grow dim.
  Stain, n.
  1. A discoloration by foreign matter; a spot; as, a stain on a garment or cloth.
  2. A natural spot of a color different from the gound.
     Swift trouts, diversified with crimson stains.   --Pope.
  3. Taint of guilt; tarnish; disgrace; reproach.
     Nor death itself can wholly wash their stains.   --Dryden.
     Our opinion . . . is, I trust, without any blemish or stain of heresy.   --Hooker.
  4. Cause of reproach; shame.
  5. A tincture; a tinge. [R.]
     You have some stain of soldier in you.   --Shak.
  Syn: -- Blot; spot; taint; pollution; blemish; tarnish; color; disgrace; infamy; shame.
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  stain
       n 1: a soiled or discolored appearance; "the wine left a dark
            stain" [syn: discoloration, discolouration]
       2: (microscopy) a dye or other coloring material that is used
          in microscopy to make structures visible
       3: the state of being covered with unclean things [syn: dirt,
           filth, grime, soil, grease, grunge]
       4: a symbol of disgrace or infamy; "And the Lord set a mark
          upon Cain"--Genesis [syn: mark, stigma, brand]
       5: an act that brings discredit to the person who does it; "he
          made a huge blot on his copybook" [syn: blot, smear, smirch,
           spot]
       v 1: 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"
       2: produce or leave stains; "Red wine stains the table cloth"
       3: 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" [syn: tarnish, maculate,
           sully, defile]
       4: color for microscopic study; "The laboratory worker dyed the
          specimen"