Stain



GRE TOEFL 考研

解释

GRE 红宝书

• v.玷污; 染色
• ［英］ v.玷污 ( to taint with guilt or corruption) ; 染色 ( to color by processes)
• ［例］ His shirt was stained with blood.

Webster Collegiate

I. verb

• Etymology: Middle English steynen, partly from Anglo-French desteindre to take away the color from & partly of Scandinavian origin; akin to Old Norse steina to paint — more at distain
• Date: 14th century
• transitive verb
  • 1. to suffuse with color
  • 2. discolor, soil
  • 3.
    • a. taint 3 <a conscience stained with guilt>
    • b. to bring discredit on <the scandal stained his reputation>
  • 4. to color (as wood, glass, or cloth) by processes affecting chemically or otherwise the material itself
• intransitive verb
  • to receive a stain
• ? stainable adjective
• ? stainer noun

II. noun

• Date: 1557
• 1.
  • a. a soiled or discolored spot
  • b. a natural spot of color contrasting with the ground
• 2. a taint of guilt ; stigma
• 3. a preparation (as of dye or pigment) used in staining: as
  • a. a dye or pigment capable of penetrating the pores of wood
  • b. a dye or mixture of dyes used in microscopy to make visible minute and transparent structures, to differentiate tissue elements, or to produce specific chemical reactions
• ? stainproof adjective

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