| 释义 |
ˈtrap-ˈbrilliant
[app. f. Du. trap step (cf. next) + brilliant n.]
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.
1877Knight Dict. Mech. s.v. Gem-cutting, There are several varieties of brilliant cuts, known as—Half-brilliant..Full brilliant..Split or trap-brilliant..Double brilliant or Lisbon cut. 1891in Cent. Dict. |