noun
(printing) the narrowest of the spaces used to separate words or letters
• Topics: ↑printing, ↑printing process
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noun : a very thin space used in printing (as the 1/2-point copper space or the 1-point brass space)
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Print.
the thinnest metal space used to separate words, symbols, etc.
[1835-45]
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hair space noun (printing)
The thinnest metal space used by compositors, or its equivalent in photocomposition
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Main Entry: ↑hair
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hair space,
Printing. the thinnest space used in typesetting to separate letters.
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n. Printing a very thin space between letters or words
Useful english dictionary. 2012.