hair space
noun Printing.
the thinnest metal space used to separate words, symbols, etc.
Origin of hair space
First recorded in 1835–45
Words nearby hair space
hair root,
hair seal,
hair sheep,
hair shirt,
hair slide,
hair space,
hair spray,
hair stroke,
hair style,
hair stylist,
hair transplant
British Dictionary definitions for hair space
hair space
noun
printing
the thinnest of the metal spaces used in setting type to separate letters or words