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单词 perf
释义

perfn.1

Brit. /pəːf/, U.S. /pərf/
Forms: 1900s– perf., 1900s– perf (without point).
Origin: Formed within English, by clipping or shortening. Etymon: perforation n.
Etymology: Shortened < perforation n. (originally as graphic abbreviation). Compare earlier perf. adj.
A perforation; one of a line of perforations punched in a sheet of paper (esp. of postage stamps), that can be torn in order to separate one part from another. Also (Philately): each of the small projections of paper left along the edge of a stamp when it is separated from an adjoining stamp.
ΚΠ
1913 D. B. Armstrong Boys' Bk. Stamp Collecting 224 Perforation (Perf. Pf.).—Consists of small rows of holes punched out from between the stamps to facilitate their separation.
1951 R. J. Sutton Stamp Collector's Encycl. 173 Perforations are identified by the number of holes (perfs.) or teeth to 20mm.
1991 Chicago Tribune 4 Nov. iv. 10/4 Extra thin perfs make edges extra smooth once computer tracks are removed.
2003 Post-Standard (Syracuse, N.Y.) (Nexis) 30 Mar. 34 The Wright stamps had mashed perforations and some of the perfs between the top two and bottom two stamps were broken.
This is a new entry (OED Third Edition, September 2005; most recently modified version published online March 2022).

perfn.2

Brit. /pəːf/, U.S. /pərf/
Forms: 1900s– perf., 1900s– perf (without point).
Origin: Formed within English, by clipping or shortening. Etymon: performance n.
Etymology: Shortened < performance n. (originally as graphic abbreviation).
A performance.
ΘΚΠ
society > leisure > the arts > performance arts > [noun] > a performance
entertainment1640
performance1696
programme1799
set-out1818
slang1861
perf1919
1919 Times 30 Sept. 4/6 (advt.) Scala Theatre. Last two perfs. of The Lady of Lyons.
1946 E. Blom Everyman's Dict. Music 596/2 Strepitoso.., a direction suggesting a forceful and spirited perf., but more often used in the sense of a climax growing in force and speed.
1978 Variety 20 Dec. 30/1 Skerritt gives another outstanding perf as the overly-protective father who also realizes his failings.
1999 Mail on Sunday 26 Sept. 76/3 (advt.) All perfs 8pm. Call Box Office for ticket prices.
This is a new entry (OED Third Edition, September 2005; most recently modified version published online March 2022).

perf.adj.

Brit. /pəːf/, U.S. /pərf/
Forms: 1800s– perf., 1900s– perf (without point).
Origin: Formed within English, by clipping or shortening. Etymon: perforated adj.
Etymology: Shortened < perforated adj. (originally as graphic abbreviation). Compare imperf. adj.
Philately.
Of a stamp: perforated around the edges. Of a sheet of stamps: having the individual stamps separated by a line of perforations. Cf. imperf. adj.Frequently followed by a number, indicating the number of perforations there are along the edge of a 2 centimetre length of a particular type of stamp.
ΘΚΠ
society > communication > correspondence > postal services > payment for postage > [adjective] > perforated
perf.1866
rouletted1867
1866 Stamp-collector's Mag. 4 2/1 Same device as issue of 1857. Col. imp.; rect. perf. [i.e. coloured impression, rectangular perforated].
1870 Philatelist 1 Feb. 20 1p. pelure, perf. and imperf.
1898 Times 14 Feb. 13/5 Rare postage stamps... Great Britain..2d. blue, perf. 14 small crown, an unused pair.
1920 Stanley Gibbons Priced Catal. Stamps (ed. 29) I. 107/2 The stamps imperf. × perf. 8 were sold in coils over the counter.
1995 Stamps (Nexis) 22 Apr. 19 Some of the perf varieties of the 1987-91 definitives show significant increases.
This is a new entry (OED Third Edition, September 2005; most recently modified version published online March 2022).
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n.11913n.21919adj.1866
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