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单词 twentieth century cut
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twentieth century cut
twentieth century cut n. Diamond-cutting (see quots.).
ΘΚΠ
society > occupation and work > materials > raw material > gem or precious stone > diamond > [noun] > of specific type of cut > types of cut
rose-cut1773
Lisbon cut1874
twentieth century cut1903
profile cut1964
1903 W. R. Cattelle Precious Stones 63 The ‘twentieth century’ is a new form of cutting lately introduced. The number of facets is greater than in the brilliant-cut and they are differently shaped and arranged.
1925 E. H. Kraus & E. F. Holden Gems & Gem Materials vii. 77 The twentieth centurycut has eighty or eighty-eight facets.
1970 E. Bruton Diamonds x. 164 Jubilee or twentieth century cut (40 + 40 = 80 facets).
extracted from twentiethadj.n.
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