A hair's breadth, or the width of human hair, is used as an informal unit of a very short length.[1] It connotes "a very small margin" or the narrowest degree in many contexts.[2][3][4][5][6][7]
- ^ "Hair's breadth (hare's breath)". Grammarist. 10 February 2011. Retrieved January 27, 2015.
- ^ Hairs breadth. Archived from the original on February 3, 2015. Retrieved January 28, 2015.
{{cite book}}:|work=ignored (help) - ^ "Hairs breadth". Macmillan English Dictionary. Retrieved January 27, 2015.
- ^ "Hairs breadth". Cambridge Dictionary. Retrieved January 27, 2015.
- ^ Smith 2002, p. 253.
- ^ Crook & Osmaston 1994, p. 133.
- ^ Johnson 1842, pp. 1257.