Dictionary
3 ENTRIES FOUND:

brilliancy

noun bril·lian·cy \-yən(t)-sē\
plural bril·lian·cies

Definition of BRILLIANCY

1
2
:  an instance of brilliance

Examples of BRILLIANCY

  1. <the brilliancy of the diamond is shown to good effect by the museum's lighting>

First Known Use of BRILLIANCY

1747

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