trap-brilliantn.

Etymology: apparently < Dutch trap step (compare trap-cut n.) + brilliant n.¹Previous versions of the OED give the stress as: ˈtrap-ˈbrilliant.

In diamond-cutting, a form of brilliant in which each of the foundation squares is divided horizontally into two triangular facets at an obtuse angle (when viewed in elevation); also called step-brilliant, split-brilliant.

ΘΚΠ

society > occupation and work > materials > raw material > gem or precious stone > diamond > [noun] > of specific type of cut

table diamond1470

tablet1519

tablet diamond1530

facet diamond1623

rose diamond1638

rose stone1659

rose1678

table stone1678

spread brilliant1727

rosette1861

briolette1865

trap-brilliant1875

1875 E. H. Knight Amer. Mech. Dict. II. 962/2 There are several varieties of brilliant cuts, known as—Half-brilliant..Full-brilliant..Split or trap-brilliant..Double-brilliant or Lisbon cut.

1891 in Cent. Dict.

This entry has not yet been fully updated (first published 1914; most recently modified version published online December 2021).

单词	trap-brilliant
释义	trap-brilliantn. Etymology: apparently < Dutch trap step (compare trap-cut n.) + brilliant n.¹Previous versions of the OED give the stress as: ˈtrap-ˈbrilliant. In diamond-cutting, a form of brilliant in which each of the foundation squares is divided horizontally into two triangular facets at an obtuse angle (when viewed in elevation); also called step-brilliant, split-brilliant. ΘΚΠ society > occupation and work > materials > raw material > gem or precious stone > diamond > [noun] > of specific type of cut table diamond1470 tablet1519 tablet diamond1530 facet diamond1623 rose diamond1638 rose stone1659 rose1678 table stone1678 spread brilliant1727 rosette1861 briolette1865 trap-brilliant1875 1875 E. H. Knight Amer. Mech. Dict. II. 962/2 There are several varieties of brilliant cuts, known as—Half-brilliant..Full-brilliant..Split or trap-brilliant..Double-brilliant or Lisbon cut. 1891 in Cent. Dict. This entry has not yet been fully updated (first published 1914; most recently modified version published online December 2021). < n.1875
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