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单词 blue john
释义

Blue Johnn.

Brit. /ˈbluː ˌdʒɒn/, U.S. /ˈblu ˌdʒɑn/
Forms: 1600s Blew Iohn, 1600s (1800s historical) Blew John, 1700s– Blue John. Also with lower-case initial(s).
Origin: From a proper name, combined with an English element. Etymons: blue adj., proper name John.
Etymology: < blue adj. + the male forename John (see John n.). The precise motivation for the name is not clear in either sense 1 or sense 2. In sense 3, with reference to the bluish tinge of the milk.
1. = after-wort n. Also figurative. Obsolete (historical in later use).
ΘΚΠ
the world > food and drink > drink > manufacture of alcoholic drink > brewing > [noun] > wort > from former brewing
brackwoort1577
Blue John1639
after-wort1653
return wort1830
returns1835
1639 Distiller of London 15 No Afterworts or Wash (made by Brewers, &c.) called Blew-Iohn..shall henceforth bee distilled, extracted, or drawne into Small-spirits.
1672 A. Marvell Rehearsal Transpros'd i. 82 His Defence was but the blew-John of his Ecclesiastical Policy, and this Preface the Tap-droppings of his Defence.
1683 W. Salmon Doron Medicum i. 242 Brewers Afterworts, or Wash, called ‘Blew-John’.
1884 S. Dowell Hist. Taxation in Eng. IV. ii. 99 In their endeavours to produce a cheap spirit to compete in the market with brandy, some of our distillers now began to use brewers' afterwort or wash, termed ‘Blew John’.
2. A blue or purple banded variety of fluorite found in Derbyshire, often used for ornaments.
ΘΚΠ
the world > the earth > minerals > types of mineral > halides > [noun] > fluorite group > others
Blue John1768
tachhydrite1866
carnallite1876
nocerite1882
terlinguaite1900
jarlite1933
1768 M. Boulton Let. 28 Dec. in N. Goodison Ormolu (1974) ii. 30 I have found a use for Blew John which will consume some quantity of it. I mean that sort which is proper for turning into vases.
1786 W. Gilpin Observ. Mountains & Lakes Cumberland II. xxvii. 217 It..is known in London by the name of the Derbyshire drop. But on the spot it is called Blue John, from the beautiful blue veins, which overspread the finest parts of it.
1803 Ann. Reg. 1802 780 When the blue John is to be made into a vase, or any other ornamental form that renders the use of the lathe necessary, it is carved..into a rude resemblance of the object intended to be produced.
1845 E. Nussey Let. 6 Aug. in Lett. C. Brontë (1995) I. 417 I shall get you some Blue John..if I can.
1870 ‘Ouida’ Puck I. iii. 51 I picked him out a atom of cawke, and a mossel or two of Blue-John.
1938 R. Hum Chem. for Engin. Students xxii. 604 Calcium Fluoride..occurs naturally as fluorspar and as a coloured form, Blue John, the colour probably being due to organic impurity.
1955 Times 13 May 12/6 I never descended the Blue John Mine, but I remember returning to Bolsterstone that day clutching a piece of rough Blue John which I had picked up in the Winnats Pass.
2003 C. Oldershaw Firefly Guide Gems 71 Splendid examples of blue john ornaments are on display at Windsor Castle, England.
3. U.S. regional (chiefly southern and south Midland). Skimmed milk. Cf. blue milk n. at blue adj. and n. Compounds 1d.
ΘΚΠ
the world > food and drink > food > dairy produce > [noun] > milk > skimmed milk
skim-milk1598
skimmed milka1722
Blue John1869
skim1885
scald milk1886
semi-skimmed1981
1869 Overland Monthly Aug. 129/2 North Carolinians call skim-milk ‘blue John’.
1891 Amer. Notes & Queries 12 Dec. 62/2 Blue-john is a thin blue milk that has been skimmed.
1935 Z. N. Hurston Mules & Men i. vii. 159 De white folks all got faces look lak blue-John and de niggers had de white mouf.
2000 A. Scott Whobrey in K. Tate & J. Tate Good Old Days remembers working on Farm 61/1 I'd bet my bottom dollar that that salesman was a city slicker who didn't know cream from blue john.
This entry has been updated (OED Third Edition, March 2013; most recently modified version published online December 2021).
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n.1639
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