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brillianteer

intransitive verb
bril·​lian·​teer | \¦brilyən‧ti(ə)r\
-ed/-ing/-s

Definition of brillianteer 

: to cut and polish the small usually triangular faces about the girdle of a brilliant

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Other Words from brillianteer

brillianteerer \-​irə(r) \ noun plural -s

History and Etymology for brillianteer

Dutch briljanteren, from French brillanter, from brillant brilliant (gem)

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