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hardener

[hahr-dn-er] /ˈhɑr dn ər/
noun
1.
a person or thing that hardens.
2.
a substance mixed with paint or other protective covering to make the finish harder or more durable.
3.
Photography. a chemical used to raise the melting point of an emulsion.
Origin
1605-1615
1605-15; harden + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for hardener
  • Mix some marine plastic with a few drops of hardener, remembering that the more hardener you use the faster the plastic hardens.
  • Samples shall be taken prior to the addition of the hardener powder.
  • These releases were primarily from copper rolling and drawing industries which use it as a hardener in alloys.
British Dictionary definitions for hardener

hardener

/ˈhɑːdə/
noun
1.
a person or thing that hardens
2.
a substance added to paint or varnish to increase durability
3.
an ingredient of certain adhesives and synthetic resins that accelerates or promotes setting
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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12
12
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