Noun

(uncountable) The property of being thick (in dimension).

(uncountable) A measure of how thick (in dimension) something is.

The thickness of the Earth's crust is varies from two to 70 kilometres.

(countable) A layer.

We upholstered the seat with three thicknesses of cloth to make it more comfortable to sit on.

(uncountable) The quality of being thick (in consistency).

Whip the cream until it reaches a good thickness .

(uncountable, informal) The property of being thick (slow to understand).

Noun

The distance from the base of something to the top.

* Robert Frost

Happiness makes up in height for what it lacks in length.

* , chapter=5

, title= The Mirror and the Lamp , passage=He was thinking; but the glory of the song, the swell from the great organ, the clustered lights, […], the height and vastness of this noble fane, its antiquity and its strength—all these things seemed to have their part as causes of the thrilling emotion that accompanied his thoughts.}}

The vertical distance from the ground to the highest part of a standing person or animal (withers in the case of a horse).

The highest point or maximum degree.

* {{quote-news, year=2011, date=October 29, author=Neil Johnston, title=Norwich 3 - 3 Blackburn

, work=BBC Sport citation , passage=If City never quite reached the heights of their 6-1 demolition of United, then Roberto Mancini's side should still have had this game safe long before Johnson restored their two-goal advantage.}}

(Sussex) An area of land at the top of a cliff.