imperf.adj.

Brit.

/ˈɪmpəːf/, U.S.

/ˈɪmˌpərf/

Forms: 1800s– imperf., 1900s– imperf (without point).

Origin: Formed within English, by clipping or shortening. Etymons: imperforate adj., imperforated adj.

Etymology: Shortened < either imperforate adj. or imperforated adj. (originally as a graphic abbreviation). Compare earlier perf. adj.

Philately.

Of a postage stamp: taken from a sheet in which the individual stamps are not separated by rows of perforations, and hence not having perforated edges; (of a sheet of stamps) lacking perforations; = imperforate adj. 3. Cf. perf. adj.

ΘΚΠ

society > communication > correspondence > postal services > payment for postage > [adjective] > perforated > not

imperforate1868

imperforated1868

imperf.1869

1869 Stamp-collector's Mag. 7 99/1 The first 6d. (imperf.) is in a rich shade of lake-red, and so is the first perforate.

1893 Times 18 Oct. 16/5 (advt.) The following are a few of the rarities:—Naples, ½ tornese Cross, fine;..New South Wales, 6d. brown, imperf. wmk. 8d., unused, registered, red and blue, imperf., unused, [etc.].

1920 Stanley Gibbons Priced Catal. Stamps (ed. 29) I. 107/2 The stamps imperf. × perf. 8 were sold in coils over the counter; those perf. 8 × imperf. were on sale in automatic machines.

1990 Stamp Monthly Mar. 77/3 Imperf coil pairs are selling for $20, imperf line pairs for $175.

2014 Vadophil Oct. 6/1 Twenty or more varieties [of Boycott British Goods Charity labels] have come to light both imperf and perforated, printed in black on colour papers.

This entry has been updated (OED Third Edition, December 2018; most recently modified version published online March 2022).

单词	imperf
释义	imperf.adj. Brit. /ˈɪmpəːf/, U.S. /ˈɪmˌpərf/ Forms: 1800s– imperf., 1900s– imperf (without point). Origin: Formed within English, by clipping or shortening. Etymons: imperforate adj., imperforated adj. Etymology: Shortened < either imperforate adj. or imperforated adj. (originally as a graphic abbreviation). Compare earlier perf. adj. Philately. Of a postage stamp: taken from a sheet in which the individual stamps are not separated by rows of perforations, and hence not having perforated edges; (of a sheet of stamps) lacking perforations; = imperforate adj. 3. Cf. perf. adj. ΘΚΠ society > communication > correspondence > postal services > payment for postage > [adjective] > perforated > not imperforate1868 imperforated1868 imperf.1869 1869 Stamp-collector's Mag. 7 99/1 The first 6d. (imperf.) is in a rich shade of lake-red, and so is the first perforate. 1893 Times 18 Oct. 16/5 (advt.) The following are a few of the rarities:—Naples, ½ tornese Cross, fine;..New South Wales, 6d. brown, imperf. wmk. 8d., unused, registered, red and blue, imperf., unused, [etc.]. 1920 Stanley Gibbons Priced Catal. Stamps (ed. 29) I. 107/2 The stamps imperf. × perf. 8 were sold in coils over the counter; those perf. 8 × imperf. were on sale in automatic machines. 1990 Stamp Monthly Mar. 77/3 Imperf coil pairs are selling for $20, imperf line pairs for $175. 2014 Vadophil Oct. 6/1 Twenty or more varieties [of Boycott British Goods Charity labels] have come to light both imperf and perforated, printed in black on colour papers. This entry has been updated (OED Third Edition, December 2018; most recently modified version published online March 2022). < adj.1869
随便看	lever-engine lever-fly lever-hoist lever-jack lever-knife lever-like lever-man lever-pallet lever-pendulum lever-pin lever-press lever-punch lever-shears lever-spar lever-valve lever-wood leveractuation leverage leverage of a force leveraged leveraged buyout leverages lemonkali lemonkernel lemonorchard