英语词汇“false bottom”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

a. false bottom: a horizontal partition in a vessel; also, a partition built close to the bottom, as in a box or trunk. Also in Mining and Metallurgy (see quot. 1881). false core (see core n.¹ 8).

ΘΚΠ

society > occupation and work > equipment > receptacle or container > box > [noun] > partition close to bottom

false bottom1800

1596 J. Harington New Disc. Aiax sig. H2^v You shall make a false bottome to that priuy that you are annoyed with, either of lead, or stone.

1626 F. Bacon Sylua Syluarum §498 Take a Vessell, and..make a false Bottome of course Canuasse.

1651 J. French Art Distillation i. 5 A false bottom where the Quick~silver must lye.

1800 M. Edgeworth Little Merchants ii, in Parent's Assistant (ed. 3) III. 123 This box..has a false bottom—it holds only three quarters as much as it ought to do.

1823 J. Badcock Domest. Amusem. 146 Each vat is to have a false bottom, made with cross bars, or stout wicker work.

1843 C. Holtzapffel Turning & Mech. Manip. I. 338 The term false-core is employed by the brass founder to express the same thing as the drawback of the iron founder. The former calls every loose piece of the mould not intended for holes, a false core.

1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) II. 472 The drawbacks, or false cores, made of sand pressed hard (and admitting of taking to pieces by joints).

1881 D. C. Davies Treat. Metallif. Min. 413 False Bottom..a loose plate put into the stamp box; a floor of iron placed in a puddling machine; a bed of drift holding auriferous drift, and overlying the bed of the latter that usually lies on the bed rock.

1907 A. McWilliam & P. Longmuir Gen. Foundry Pract. xii. 95 In light work these removable parts of a mould are termed ‘false cores’, and in heavy work ‘drawbacks’.

1933 McLachlan & Otto in W. J. Kearton Engin. Educator (ed. 2) II. 606/2 Part of a mould forming an internal shape, whether loose or not, is usually referred to as a ‘cod’, while a loose part of a mould forming some external part of it, is generally referred to as a ‘false-core’ or‘drawback’.

单词	false bottom
释义	> as lemmas false bottom a. false bottom: a horizontal partition in a vessel; also, a partition built close to the bottom, as in a box or trunk. Also in Mining and Metallurgy (see quot. 1881). false core (see core n.¹ 8). ΘΚΠ society > occupation and work > equipment > receptacle or container > box > [noun] > partition close to bottom false bottom1800 1596 J. Harington New Disc. Aiax sig. H2^v You shall make a false bottome to that priuy that you are annoyed with, either of lead, or stone. 1626 F. Bacon Sylua Syluarum §498 Take a Vessell, and..make a false Bottome of course Canuasse. 1651 J. French Art Distillation i. 5 A false bottom where the Quick~silver must lye. 1800 M. Edgeworth Little Merchants ii, in Parent's Assistant (ed. 3) III. 123 This box..has a false bottom—it holds only three quarters as much as it ought to do. 1823 J. Badcock Domest. Amusem. 146 Each vat is to have a false bottom, made with cross bars, or stout wicker work. 1843 C. Holtzapffel Turning & Mech. Manip. I. 338 The term false-core is employed by the brass founder to express the same thing as the drawback of the iron founder. The former calls every loose piece of the mould not intended for holes, a false core. 1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) II. 472 The drawbacks, or false cores, made of sand pressed hard (and admitting of taking to pieces by joints). 1881 D. C. Davies Treat. Metallif. Min. 413 False Bottom..a loose plate put into the stamp box; a floor of iron placed in a puddling machine; a bed of drift holding auriferous drift, and overlying the bed of the latter that usually lies on the bed rock. 1907 A. McWilliam & P. Longmuir Gen. Foundry Pract. xii. 95 In light work these removable parts of a mould are termed ‘false cores’, and in heavy work ‘drawbacks’. 1933 McLachlan & Otto in W. J. Kearton Engin. Educator (ed. 2) II. 606/2 Part of a mould forming an internal shape, whether loose or not, is usually referred to as a ‘cod’, while a loose part of a mould forming some external part of it, is generally referred to as a ‘false-core’ or‘drawback’. extracted from falseadj.adv.n. < as lemmas
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