Dictionary.com
Thesaurus.com

Didot point system

American  
[dee-doh] / diˈdoʊ /

noun

Printing.
  1. a Continental system of measurement for type, based on a unit of 0.0148 inch (0.3759 millimeter).


Etymology

Origin of Didot point system

Named after François Ambrose Didot (1730–1804), French printer who devised it