| 单词 | em quadrat |
| 释义 | > as lemmasem quadrat The square, formerly of the type m, used in typography as the unit for measuring and estimating the amount of printed matter in a line, page, etc. The em of pica is the standard. Also attributive, as em quad, em quadrat, a square quadrat n. (see also quots. 1927, 1967). Cf. M n. 4. ΘΚΠ society > communication > writing > written character > name of written character > [noun] > others Bc1000 Dc1000 ellc1000 Fc1000 Sc1000 yogha1300 Pa1398 ess1540 tee1610 alif1727 cue1755 em1793 en1793 dee1795 double U1841 edh1846 wye1857 vee1883 gee1926 nut1940 kay1959 at sign1977 society > communication > printing > printed matter > arrangement or appearance of printed matter > [noun] > units of space in printing M1683 n quadrat1683 em1793 en1793 1728 E. Chambers Cycl. at Quadrat There are Quadrats of divers Sizes, as m Quadrats, n Quadrats, &c. which are respectively of the Dimensions of such Letters.] 1793 in Stower Printer's Gram. (1808) xvii. 419 That em and en quadrats..be included. 1808 C. Stower Printer's Gram. xvii. 419 The ems and ens at the beginnings and ends of the lines not to be reckoned in the width. 1863 W. Blades Life & Typogr. W. Caxton II. iv. p. xliii When a ‘white’ line was wanted under a chapter head or over a colophon, em quadrats were ranged side by side for the purpose. 1864 Daily Tel. 3 Oct. [The printers' union] advanced its demands from forty-five cents to sixty cents per thousand ‘ems’. 1871 Amer. Encycl. Printing 309/2 Mutton Quad, a slang term, in English printing offices, for em quad. 1888 Encycl. Brit. at Typography The width of..pages..is expressed according to the number of ‘ems’, that is of a pica ‘m’—the square of the depth of pica..A page of 24 ems wide is equal to one of 4 inches. 1892 Academy 3 Sept. 199/3 (advt.) 49,000 American ems (equal to 98,000 English ens) were set in eight hours. 1927 R. B. McKerrow Introd. Bibliogr. i. ii. 13 Quads were no doubt usually square spaces, as broad as the height of a line. From the fact that the letter m (or M) used to be cast on a square body, such a square space is called an em-quad. 1967 E. Chambers Photolitho-offset ii. 12 Quads and spaces are the separation material used between letters and words. The em quad is the square of a given body size; the en quad is half the square width. < as lemmas |
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