black dropn.

Brit.

/ˌblak ˈdrɒp/, U.S.

/ˈblæk ˈdrɑp/

Origin: Formed within English, by compounding. Etymons: black adj., drop n.

Etymology: < black adj. + drop n. In sense 2 after post-classical Latin gutta nigra (1832 or earlier in this sense; 1822 or earlier in sense 1).

1. Medicine. In singular or (rare) plural. A dark-coloured liquid medicine composed of opium in vinegar or verjuice with various spices. Now historical.

ΘΚΠ

the world > health and disease > healing > medicines or physic > medicines for specific purpose > sedatives, antispasmodics, etc. > [noun] > narcotic > plant-derived

earth appleOE

poppyOE

mandragoraOE

mandrakea1350

opiuma1398

mandglorye1483

mandragon?a1549

diacodium1564

dagga1670

diacodiate1684

black drop1801

Omnopon1909

Pantopon1909

1801 Caledonian Mercury 11 June 1/2 The genuine black drop, which many of the most eminent Physicians..employ and prescribe in preference to any other preparation of Opium.

1805 Med. & Physical Jrnl. 13 102 Were it not sold as a nostrum, the black-drop might be substituted with advantage for every other internal preparation of opium, as it is free from their unpleasant effects.

1823 Ld. Byron Don Juan: Canto IX lxvii. 38 A quintessential laudanum or ‘black drop’.

1878 Cycl. Med. XVII. 844 Black drops, Godfrey's Elixir..etc. all contain opium.

1931 M. Grieve Mod. Herbal II. 735/2 The term ‘black draught’, it is stated, should never be used, as mistakes have been made in reading the prescriptions, and ‘black drop’ or vinegar of opium has been given instead.

1996 A. Alvarez Night iv. 182 Byron took Black Drop, a popular compound, as a tranquillizer; Shelley took laudanum for nervous headaches.

2. Astronomy. A dark elongation of a planet's disc observed at the start and finish of solar transits of Venus and Mercury when the disc of the planet is just inside and touching the edge of the sun's disc, so that the planet briefly has a pear-shaped appearance elongated towards the sun's edge. Frequently attributive.

ΘΚΠ

the world > the universe > planet > primary planet > inferior planet > [noun] > distorted appearance

black drop1833

pear drop1874

1833 Monthly Notices Royal Astron. Soc. 1831–3 2 108 This astronomer [sc. Père Hell] says, ‘that he observed a black drop or spot, “gutta nigra”, formed between the dark limb of Venus and the bright limb of the sun’.

1869 E. Dunkin Midnight Sky 252 The formation of the black-drop..was very clearly observed at..Greenwich.

1907 Times 16 Nov. 14/6 I am sure that it would easily account for all black drop phenomena.

1995 Sky & Telescope May 40 (caption) A ‘black drop’ that appeared between the limbs of Venus and the Sun made the time of contact uncertain by many seconds.

2004 Isis 95 270/2 The ‘black-drop effect’..affected the timing of the transits and thus added much uncertainty to our knowledge of the scale of our solar system.

This entry has been updated (OED Third Edition, September 2011; most recently modified version published online March 2022).

单词	black drop
释义	black dropn. Brit. /ˌblak ˈdrɒp/, U.S. /ˈblæk ˈdrɑp/ Origin: Formed within English, by compounding. Etymons: black adj., drop n. Etymology: < black adj. + drop n. In sense 2 after post-classical Latin gutta nigra (1832 or earlier in this sense; 1822 or earlier in sense 1). 1. Medicine. In singular or (rare) plural. A dark-coloured liquid medicine composed of opium in vinegar or verjuice with various spices. Now historical. ΘΚΠ the world > health and disease > healing > medicines or physic > medicines for specific purpose > sedatives, antispasmodics, etc. > [noun] > narcotic > plant-derived earth appleOE poppyOE mandragoraOE mandrakea1350 opiuma1398 mandglorye1483 mandragon?a1549 diacodium1564 dagga1670 diacodiate1684 black drop1801 Omnopon1909 Pantopon1909 1801 Caledonian Mercury 11 June 1/2 The genuine black drop, which many of the most eminent Physicians..employ and prescribe in preference to any other preparation of Opium. 1805 Med. & Physical Jrnl. 13 102 Were it not sold as a nostrum, the black-drop might be substituted with advantage for every other internal preparation of opium, as it is free from their unpleasant effects. 1823 Ld. Byron Don Juan: Canto IX lxvii. 38 A quintessential laudanum or ‘black drop’. 1878 Cycl. Med. XVII. 844 Black drops, Godfrey's Elixir..etc. all contain opium. 1931 M. Grieve Mod. Herbal II. 735/2 The term ‘black draught’, it is stated, should never be used, as mistakes have been made in reading the prescriptions, and ‘black drop’ or vinegar of opium has been given instead. 1996 A. Alvarez Night iv. 182 Byron took Black Drop, a popular compound, as a tranquillizer; Shelley took laudanum for nervous headaches. 2. Astronomy. A dark elongation of a planet's disc observed at the start and finish of solar transits of Venus and Mercury when the disc of the planet is just inside and touching the edge of the sun's disc, so that the planet briefly has a pear-shaped appearance elongated towards the sun's edge. Frequently attributive. ΘΚΠ the world > the universe > planet > primary planet > inferior planet > [noun] > distorted appearance black drop1833 pear drop1874 1833 Monthly Notices Royal Astron. Soc. 1831–3 2 108 This astronomer [sc. Père Hell] says, ‘that he observed a black drop or spot, “gutta nigra”, formed between the dark limb of Venus and the bright limb of the sun’. 1869 E. Dunkin Midnight Sky 252 The formation of the black-drop..was very clearly observed at..Greenwich. 1907 Times 16 Nov. 14/6 I am sure that it would easily account for all black drop phenomena. 1995 Sky & Telescope May 40 (caption) A ‘black drop’ that appeared between the limbs of Venus and the Sun made the time of contact uncertain by many seconds. 2004 Isis 95 270/2 The ‘black-drop effect’..affected the timing of the transits and thus added much uncertainty to our knowledge of the scale of our solar system. This entry has been updated (OED Third Edition, September 2011; most recently modified version published online March 2022). < n.1801
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