| 单词 | jack back |
| 释义 | > as lemmasjack back jack back n. [ < back n.2] (a) Brewing a cistern equipped with a perforated screen, used for filtering the wort from the hops; = hop-back n. at hop n.1 Compounds 2 (now historical and rare); †(b) (in vinegar-making) an underground tank into which the cooled wort is passed before being pumped into the fermenting tuns (obsolete). ΘΚΠ the world > food and drink > drink > manufacture of alcoholic drink > brewing > [noun] > strainer theadc1400 huckmuck1472 jack back1764 wilch1823 hop-jack1875 hop-back1888 1764 T. H. Croker et al. Compl. Dict. Arts & Sci. I. at Brew-house The jack-back..is placed something lower than the under-backs, and has a communication with them all; and out of this back the wort is pumped into the coppers. 1805 R. Shannon Pract. Treat. Brewing iii. 56 The gyle is let down into the jack back, (that is, the great reservoir under ground). 1842 Penny Mag. Monthly Suppl. Oct. 428/1 The cooled wort flows into a large circular receptacle sunk in the ground, called the ‘jack-back’. 2011 H. W. Ronnenberg Material Culture Breweries (2016) i. 32/2 A filter device called a hop jack (or hop back or jack back) was developed to filter the hot wort. < as lemmas |
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