braille
Definition
System of raised (embossed) print 'read' by touch. It uses combinations of six dots arranged in columns three-dots high and two-dots wide to represent numbers and the letters of an alphabet. Used worldwide, it was invented in 1824 by Louis Braille (1809-1852) a French teacher of the blind when he was just 15 years old.
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braille is in the Printing, Packaging, & Publishing subject.
braille appears in the definition of the following term: International Standard Book Number (ISBN)
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