Sentence:  There was a reduction in <WSD>hairiness</WSD> of yarn after warping by about 17% in comparison to the <WSD>hairiness</WSD> of the wound yarn. 
Meaning of the word marked with <WSD> tags:  A characteristic of yarn: the proportion of fibre ends that stick out and are not embedded in the yarn body.[http://www.fibre2fashion.com/industry-article/5483/methods-of-testing-yarn-hairiness]