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staining

 [steyn]   Origin

stain

   [steyn]
noun
1.
a discoloration produced by foreign matter having penetrated into or chemically reacted with a material; a spot not easily removed.
2.
a natural spot or patch of color different from that of the basic color, as on the body of an animal.
3.
a cause of reproach; stigma; blemish: a stain on one's reputation.
4.
coloration produced by a dye that penetrates a substance, as wood.
5.
a dye made into a solution for coloring woods, textiles, etc.
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6.
a reagent or dye used in treating a specimen for microscopic examination.
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Staining www.ask.com/Staining Find Staining Q&A Results Staining
Ad
verb (used with object)
7.
to discolor with spots or streaks of foreign matter.
8.
to bring reproach or dishonor upon; blemish.
9.
to sully with guilt or infamy; corrupt.
10.
to color or dye (wood, cloth, etc.) by any of various processes that change or react with the substance chemically.
11.
to color with something that penetrates the substance.
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12.
to treat (a microscopic specimen) with some reagent or dye in order to color the whole or parts and so give distinctness, contrast of tissues, etc.
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Staining is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a scrap or morsel of food left at a meal.
LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...
verb (used without object)
13.
to produce a stain.
14.
to become stained; take a stain: This fabric stains easily.
Origin:
1350–1400; Middle English steynen < Old Norse steina to paint; in some senses aphetic form of distain

Related forms
stain·a·ble, adjective
stain·a·bil·i·ty, stain·a·ble·ness, noun
stain·a·bly, adverb
stain·er, noun
de·stain·er, noun
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non·stain·a·ble, adjective
non·stain·er, noun
non·stain·ing, adjective
re·stain, verb
un·der·stain, noun
un·der·stain, verb (used with object)
well-stained, adjective
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Synonyms
1, 3. mark, imperfection, blot. 3. taint. 7. spot, streak, soil, dirty. 8. sully, taint, tarnish, disgrace, dishonor, debase, defile, contaminate, pollute.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To staining
Etymonline
Word Origin & History

stain
1382, probably representing a merger of O.N. steina "to paint" and an aphetic form of M.E. disteynen "to discolor or stain," from O.Fr. desteign-, stem of desteindre "to remove the color," from des- (from L. dis- "remove") + O.Fr. teindre "to dye," from L. tingere (see
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tincture). The noun is from 1563. Stained glass is attested from 1791.
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

stain (stān)
n.

  1. A reagent or dye that is used for staining microscopic specimens.

  2. A procedure in which a dye or a combination of dyes and reagents is used to color the constituents of cells and tissues.

v. stained, stain·ing, stains
To treat specimens for the microscope with a reagent or dye that makes visible certain structures without affecting others.

staining n.

  1. The act of applying a stain.

  2. Modification of the color of the tooth or of the denture base to give a more realistic appearance.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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