tint tool

from The Collaborative International Dictionary of English v.0.48
Tint \Tint\, n. [For older tinct, fr. L. tinctus, p. p. of
   tingere to dye: cf. F. teinte, teint, It. tinta, tinto. See
   {Tinge}, and cf. {Taint} to stain, a stain, {Tent} a kind of
   wine, {Tinto}.]
   A slight coloring. Specifically: 
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   (a) A pale or faint tinge of any color.
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             Or blend in beauteous tints the colored mass.
                                                  --Pope.
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             Their vigor sickens, and their tints decline.
                                                  --Harte.
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   (b) A color considered with reference to other very similar
       colors; as, red and blue are different colors, but two
       shades of scarlet are different tints.
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   (c) (Engraving) A shaded effect produced by the juxtaposition
       of many fine parallel lines.
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   {Tint tool} (Eng.), a species of graver used for cutting the
      parallel lines which produce tints in engraving.
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