
1) Adding some color to 2) Bloom 3) Bruising 4) Changing color 5) Dyeing 6) Emulating a furniture maker 7) Mark 8) Stain 9) Streak 10) Tint 11) Working with wood color 12) Yellowing
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https://www.crosswordclues.com/clue/staining

1) Spotting
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https://www.crosswordclues.com/clue/staining

Staining is an auxiliary technique used in microscopy to enhance contrast in the microscopic image. Stains and dyes are frequently used in biology and medicine to highlight structures in biological tissues for viewing, often with the aid of different microscopes. Stains may be used to define and examine bulk tissues (highlighting, for example, mus...
Found on
http://en.wikipedia.org/wiki/Staining

• (p. pr. & vb. n.) of Stain
Found on
http://thinkexist.com/dictionary/meaning/staining/

The step in the finishing process where coloring (stain) is applied to a piece of wood furniture.
Found on
http://www.artisansofthevalley.com/comm_gloss3.html

[3 related articles]
Found on
http://www.britannica.com/eb/a-z/s/151

The use of a dye, reagent, or other material for producing colouration in tissues or microorganisms for microscopic examination. ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973

(stān´ing) artificial coloration of a substance to facilitate examination of tissues, microorganisms, or other cells under the microscope. For various techniques, see under stain. relief staining a method of staining that colors the background and leaves the cells uncolored.
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http://www.encyclo.co.uk/local/21001

the second stage of wood refinish staining is the process of re-coating the wood.
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http://www.encyclo.co.uk/local/21496

A phenomenon of discoloration on newly installed limestone. Buff limestone will exhibit a brown stain while gray limestone will exhibit a dark gray stain. This staining is similar to efflorescence but it is the organic matter in the stone which is leaching out through the release of excess water of crystallization of the setting mortar.
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http://www.encyclo.co.uk/local/22192

Method of colouring glass by brush-applied stain (amber or ruby) invented in Bohemia, and used in last half of 19th Century as cheap substitute for flashing. Usually fired at low temperature, then engraved
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http://www.great-glass.co.uk/glass%20notes/glossa-e.htm

Type: Term Pronunciation: stān′ing Definitions: 1. The act of applying a stain. 2. In dentistry, modification of the color of the tooth or denture base.
Found on
http://www.medilexicon.com/medicaldictionary.php?t=84545

A phenomenon of discoloration on newly installed limestone. Buff limestone will exhibit a dark gray stain. This staining is similar to efflorescence but it is the organic matter in the stone which is leaching out through the release of excess water of crystallization of the setting mortar.
Found on
http://www.selectstone.com/architectural-resources/stone-glossary/

[
n] - the act of spotting or staining something 2. [n] - (histology) the use of a dye to color specimens for microscopic study
Found on
http://www.webdictionary.co.uk/definition.php?query=staining

the addition of stains or dyes to a microscopic specimen for the purpose of enhancing contrast
Found on
https://courses.lumenlearning.com/microbiology/chapter/glossary/
noun the act of spotting or staining something
Found on
https://www.encyclo.co.uk/local/20974
noun (histology) the use of a dye to color specimens for microscopic study
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.