
1) Procedure 2) Process 3) The act of becoming stiff
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https://www.crosswordclues.com/clue/stiffening

1) Rigidification 2) Rigidifying
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https://www.crosswordclues.com/clue/stiffening

- the act of becoming stiff
- the process of becoming stiff or rigid
- become stiff or stiffer
- make stiff or stiffer
- restrict
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Stiffening objects or processes brings rigidity and structural integrity. Stiffening is used in crafts, art, industry, architecture, sports, aerospace, object construction, bookbinding, etc. == Mechanics == In mechanics, `stiffening` beams brings anti-buckling, anti-wrinkling, desired shaping, reinforcement, repair, strength, enhanced function, .....
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http://en.wikipedia.org/wiki/Stiffening

• (n.) Act or process of making stiff. • (n.) Something used to make anything stiff. • (p. pr. & vb. n.) of Stiffen
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http://thinkexist.com/dictionary/meaning/stiffening/

Originally gum Arabic, mucilage, shellac or gelatin, now superseded by cellulose or pva based chemicals. It is applied by hand or dipped, to stiffen felt or straw.
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http://www.encyclo.co.uk/local/21746
Stiff'en·ing noun 1. Act or process of making stiff.
2. Something used to make anything stiff.
Stiffening order (Com.) ,
a permission granted by the customs department to take cargo or ballast on board before the old cargo is out, in order to steady the ship. ...
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http://www.encyclo.co.uk/webster/S/197

[
n] - the process of becoming stiff or rigid 2. [n] - the act of becoming stiff
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http://www.webdictionary.co.uk/definition.php?query=stiffening
noun the act of becoming stiff; `stiffening his shoulders, he prepared to advance`
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https://www.encyclo.co.uk/local/20974
No exact match found.