em quad

短语

全身空铅

词形变化

em quads 复数 em quads

释义与例句

n.
  1. 1.

    A quad which has a fixed width of 1 em.

    媒体 印刷

词汇关系

名词

同义词 2

em mutton quad

词源

Attested in 1841. From 1808 em quadrat, from 1683 m quadrat, from m + quadrat, a metal type, which is as wide as the point size of the font. The origin of the letter m is unclear; perhaps because the type body of the letter M was approximately square during the early days of typesetting, and to contrast it with the n quadrat, the letter n being approximately half as wide.

来源：wiktionary