Definify.com
Webster 1913 Edition
Thinness
Thin′ness
,Noun.
The quality or state of being thin (in any of the senses of the word).
Webster 1828 Edition
Thinness
THIN'NESS
,Noun.
1.
Tenuity; rareness; as the thinness of air or other fluid.2.
A state approaching to fluidity, or even fluidity; opposed to spissitude; as the thinness of honey, of white wash or of paint.3.
Exility; as the thinness of a point.4.
Rareness; a scattered state; paucity; as the thinness of trees in a forest; the thinness of inhabitants.