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单词 half-square
释义

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half-square
half-square adj. Obsolete designating timber with a cross-section that is half a square.
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society > occupation and work > materials > raw material > wood > [noun] > building wood > measure or quantity of
rood1391
sheaf1534
straik1542
fathom1577
standard1811
1855 Manch. Examiner & Times 16 June 8/2 (advt.) Expected to arrive..from Danzig... 26 [Pieces] half-square timber.
1883 J. Fraser Shanty, Forest, & River Life 281 The first business of the drive is to..confine them there by long half-square logs called ‘boom timber’, fastened at the ends by ‘boom chains’.
1911 A. M. Chisholm Boss of Wind River viii. 116 He hewed a straight line by judgment of eye alone, and the result was a stick of square or half-square timber, absolutely straight, and almost as smooth as if planed.
extracted from halfadj.
half-square
half-square n. Obs. (see quots.).
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1662 S. Pepys Diary 18 Aug. (1970) III. 169 The whole mystery of off [half]-square, wherein the King is abused in the timber that he buys.
1674 W. Leybourn Compl. Surveyor (ed. 3) 345 Most Artificers when they meet with Squared Timber, whose breadth and depth are unequal..usually add the breadth and depth together, and take the half for a Mean Square, and so proceed..If the difference be great, the Error is very obnoxious either to Buyer or Seller.
extracted from half-comb. form
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更新时间:2024/9/21 0:39:14