Hair powder

A fine powder composed of flour, .; much used in the 18th century for sprinkling upon the hair of the head, or upon the wig. Hair'-salt, n. [Ger. haar -salz.] ( Min .) A form of EPSOMITE, q. v. Hair's plitting, a. Making exce ively minute and unimportant distinctions in argument. Hair-spring, n. ( Horology .) The fine wire in a watch, which gives motion to the balance-wheel. Hair-stroke,n. The upward, lighter, and more deli- cate stroke in penmanship, made for connecting together different letters, or the parts of the same letter.