Dictionary.com Unabridged

thicken

[thik-uhn]
verb (used with object), verb (used without object)
1.
to make or become thick or thicker.
2.
to make or grow more intense, profound, intricate, or complex: The plot thickens.

Origin:
1375–1425; late Middle English thiknen < Old Norse thykkna. See thick, -en1

rethicken, verb
unthicken, verb (used with object)
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To thickening
Collins
World English Dictionary
thicken (ˈθɪkən)
 
vb
1.  to make or become thick or thicker: thicken the soup by adding flour
2.  (intr) to become more involved: the plot thickened
 
'thickener
 
n

thickening (ˈθɪkənɪŋ)
 
n
1.  something added to a liquid to thicken it
2.  a thickened part or piece

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

thickening
"substance used to thicken something," 1839, from thicken (see thick).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
The same thickening is found in all fossil and modern cetaceans but not in
  other mammals, the group notes.
The data fog is thickening at a time when companies are trying to squeeze ever
  more out of their workers.
The thickening of the mantle layer gradually extends in a dorsal direction, and
  forms the posterior column of gray substance.
Thirdly, the employment of the fulling mill for thickening the cloth, instead
  of treading it in water.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature