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 gauge Measuring the thickness of a guitar pick with calipers. The measured thickness is 2.0 mm.

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. layer; ply: three …

Definition of thickness noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The thickness of something is the distance between its two opposite surfaces. The size of the fish will determine the thickness of the steaks.

thickness, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

thick•ness (thik′ nis), n. the state or quality of being thick. Weights and Measures the measure of the smallest dimension of a solid figure: a board of two-inch thickness. the thick part or body of …

Synonyms for THICKNESS: consistency, consistence, density, viscosity, viscidity, solidity, compactness, firmness; Antonyms of THICKNESS: brightness, quickness, sharpness, intelligence, brilliance, …