say it: BRI-lyuhns
brilliance is a noun meaning "a light within the field of vision that is brighter than the brightness to which the eyes are adapted". It carries 3 recorded senses.
a light within the field of vision that is brighter than the brightness to which the eyes are adapted
“a glare of sunlight”
the quality of being magnificent or splendid or grand
“for magnificence and personal service there is the Queen's hotel”
“his `Hamlet' lacks the brilliance that one expects”
“it is the university that gives the scene its stately splendor”
“an imaginative mix of old-fashioned grandeur and colorful art”
“advertisers capitalize on the grandness and elegance it brings to their products”
unusual mental ability
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for brilliance come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.