diamond-pointn.
1. A stylus tipped with a fragment of diamond, used in engraving, etc.
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society > leisure > the arts > visual arts > printmaking > engraving > [noun] > engraving tools
pouncer1552
graving tool1591
pounce1598
puncheon1659
burin1662
eschoppe1662
graver1662
needle1662
point1662
style1662
sculpter1680
scalper1688
small chisel1749
roulette1806
engraver1821
dry-point1837
scooper1837
stylet1853
tint-tool1869
diamond-point1874
spit-sticker1909
bull-sticker1933
1874 E. H. Knight Amer. Mech. Dict. I. 698/1 Wilson Lowry introduced the diamond-point into engraver's ruling-machines.
1881 F. Young Every Man his own Mechanic §569 The diamond point..is used for roughing very small and delicate work that will not bear the gouge.
2. Railways. Usually in plural. The set of points at a diamond crossing, where two lines of rails intersect obliquely without communicating, forming a diamond or rhombic figure; in singular one of the acute angles formed by two rails at such a crossing.
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1881 Daily News 15 Sept. 3/2 It [a train] had to pass over a diamond point.
1890 Morning Post 24 Oct. 6/7 A North British mineral train, while crossing a set of diamond points, ran off the line.
1894 Westm. Gaz. 24 July 5/2 On reaching the diamond point the guard's van next the engine jumped the metals.
3. attributive, as diamond-point chisel, a chisel having the corners ground off obliquely.
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1874 E. H. Knight Amer. Mech. Dict. I. 542/1.
This entry has not yet been fully updated (first published 1895; most recently modified version published online December 2021).
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n.1874