[ lam-buh n-see ]
/ ˈlæm bən si /
noun, plural lam·ben·cies for 2.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for lambency
They were both rayless and strangely—lightless; they threw no shadows nor did their lambency lessen the dimness.The Metal Monster|A. Merritt