noun Date: before 12th century the smallest of three dimensions , the quality or state of being thick, 3. viscous consistency , the condition of being smoky, foul, or foggy, the thick part of something, concentration , density , stupidity , dullness, layer , ply , sheet
THICKNESS
Meaning of THICKNESS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012