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thickening

[thik-uh-ning] /ˈθɪk ə nɪŋ/
noun
1.
a making or becoming thick.
2.
a thickened part or area; swelling.
3.
something used to thicken; thickener.
Origin
1570-1580
1570-80; thicken + -ing1

thicken

[thik-uh n] /ˈθɪk ən/
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
Related forms
rethicken, verb
unthicken, verb (used with object)
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for thickening
  • 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 array is coated with liquid vaccine mixed with a thickening agent.
  • 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.
  • People who can't draw often fake it by thickening or smudging their lines.
  • While she throws off a thickening alcoholic stupor, he sinks into an ominous romantic one.
  • The thickened skin itches, causing more scratching, which causes more thickening.
  • In toothpaste, glycerin is used as a thickening agent.
  • It is a thickening of the tissue surrounding the nerves leading to the toes.
British Dictionary definitions for thickening

thickening

/ˈθɪkənɪŋ/
noun
1.
something added to a liquid to thicken it
2.
a thickened part or piece

thicken

/ˈθɪkən/
verb
1.
to make or become thick or thicker: thicken the soup by adding flour
2.
(intransitive) to become more involved: the plot thickened
Derived Forms
thickener, noun
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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Word Origin and History for thickening
n.

"substance used to thicken something," 1839, verbal noun from thicken.

thicken

v.

early 15c. (transitive), 1590s (intransitive), from thick + -en (1). Related: Thickened; thickening. An earlier verb was Old English þiccian.

Online Etymology Dictionary, © 2010 Douglas Harper
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