The meaning of THICKNESS is the smallest of three dimensions. How to use thickness in a sentence.

THICKNESS definition: the state or quality of being thick. See examples of thickness used in a sentence.

THICKNESS definition: 1. the quality of being thick: 2. the distance between the opposite sides of something: 3. a…. Learn more.

Dec 8, 2025 · thickness (countable and uncountable, plural thicknesses) The thickness of the Earth's crust varies from two to 70 kilometres. Guitar picks come in different thicknesses. The …

thick•ness (ˈθɪk nɪs) n. 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 of something. 4. …

/ˈθɪknɪs/ IPA guide Other forms: thicknesses Definitions of thickness noun the dimension through an object as opposed to its length or width see more

THICKNESS meaning: 1 : the distance between the top and bottom or front and back surfaces of something a measurement of how thick something is; 2 : the quality of being thick