em

Definition

The name of the Latin script letter M/m.

Etymology

Attested since 1808. In typography, the em is named after the em quadrat (later called em quad), from m quadrat, a metal type used in letterpress typesetting, which is as wide as the point size of the font.

Example Sentences

• "It said, in a whispering, buzzing voice, "Gee-you-ess-ess-ay-dash-em-ee-ar-ar-wye-dash-em-eye-en-gee-oh-dash-pee-eye-pee-dash-pee-ee-ar-ar-wye-dash-pee-eye-en-gee-oh.""
• "Insert here a one-em dash or long dash."
• "That the price of work, paid for by letters be advanced from fourpence to fourpence halfpenny per thousand, including English and brevier; and, in leaded matter, the ems and ens at the beginnings and ends of the lines not to be reckoned in the width."