1 (Also called)
em, pica em a printer's unit of measurement, equal to 12 points or 0.166 ins
2 (formerly) a size of printer's type equal to 12 point
3 a typewriter type size having 10 characters to the inch
(C15: from Anglo-Latin pica list of ecclesiastical regulations, apparently from Latin pica magpie, with reference to its habit of making collections of miscellaneous items; the connection between the original sense (ecclesiastical list) and the typography meanings is obscure)
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