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thickness

[thik-nis] /ˈθɪk nɪs/
noun
1.
the state or quality of being thick.
2.
the measure of the smallest dimension of a solid figure:
a board of two-inch thickness.
3.
the thick part or body of something:
the thickness of the leg.
4.
a layer, stratum, or ply:
three thicknesses of cloth.
verb (used with object)
5.
to bring (a piece, as a board) to a uniform thickness.
Origin of thickness
900
before 900; Middle English thiknesse, Old English thicnes. See thick, -ness
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for thickness

thickness

/ˈθɪknɪs/
noun
1.
the state or quality of being thick
2.
the dimension through an object, as opposed to length or width
3.
a layer of something
4.
a thick part
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 thickness
n.

Old English þicness; see thick + -ness.

Online Etymology Dictionary, © 2010 Douglas Harper
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thickness in Medicine

thickness thick·ness (thĭk'nĭs)
n.

  1. The quality or condition of being thick.

  2. The dimension between two surfaces of an object, usually the one of smallest measure.

  3. A layer or stratum.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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