Definition of "hairiness" in English

noun

1. The characteristic of being hairy.

   • 1665, Robert Hooke, Micrographia, Observ. XXVI, We have had (says he) another of this kind brought us out of the East-Indies, which being planted was in shew like the former, but came not to perfection, the unkindly season not suffering it to shew the flower; but of the Cods that were brought, some were smaller, shorter, and rounder then the Garden kind; others much longer, and many growing together, as it were in clusters, and cover'd all over with a brown short hairiness, so fine, that if any of it be rubb'd, or fall on the back of ones hand, or other tender parts of the skin, it will cause a kind of itching […]

2. (technical) A characteristic of yarn: the proportion of fibre ends that stick out and are not embedded in the yarn body.