thickness

[ thik-nis ]
/ ˈθɪk nɪs /

noun

the state or quality of being thick.
the measure of the smallest dimension of a solid figure: a board of two-inch thickness.
the thick part or body of something: the thickness of the leg.
a layer, stratum, or ply: three thicknesses of cloth.

verb (used with object)

to bring (a piece, as a board) to a uniform thickness.

Origin of thickness

before 900; Middle English thiknesse, Old English thicnes. See thick, -ness
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for thickness

thickness

/ (ˈθɪknɪs) /

noun

the state or quality of being thick
the dimension through an object, as opposed to length or width
a layer of something
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

Word Origin and History for thickness

thickness


n.

Old English þicness; see thick + -ness.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for thickness

thickness

[ thĭknĭs ]

n.

The quality or condition of being thick.
The dimension between two surfaces of an object, usually the one of smallest measure.
A layer or stratum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.