'Thinness' definitions:

Definition of 'thinness'

From: WordNet
noun
Relatively small dimension through an object as opposed to its length or width; "the tenuity of a hair"; "the thinness of a rope" [syn: thinness, tenuity, slenderness] [ant: thickness]
noun
The property of having little body fat [syn: leanness, thinness, spareness] [ant: avoirdupois, blubber, fat, fatness]
noun
The property of being very narrow or thin; "he marvelled at the fineness of her hair" [syn: fineness, thinness]
noun
The property of being scanty or scattered; lacking denseness [syn: sparseness, spareness, sparsity, thinness]
noun
A consistency of low viscosity; "he disliked the thinness of the soup" [ant: thickness]

Definition of 'Thinness'

From: GCIDE
  • Thinness \Thin"ness\, n. The quality or state of being thin (in any of the senses of the word). [1913 Webster]