名詞 thinness:

1. relatively small dimension through an object as opposed to its length or width
   同義詞：tenuity, slenderness
2. the property of having little body fat
   同義詞：leanness, spareness
3. the property of being very narrow or thin
   同義詞：fineness
4. the property of being scanty or scattered; lacking denseness
   同義詞：sparseness, spareness, sparsity
5. a consistency of low viscosity