[ loo-suhn-see ]

  1. the quality or degree of clarity or translucence:Suspended solids are an essential variable in assessing the lucency of the water, a key issue in the development of submerged vegetation.

  2. a clear or translucent area:The chest x-ray showed a large lucency on the left hemithorax and a collapsed left lung.

  1. Literary. a resplendent quality; radiance or brilliance:I felt a gradation move through what I beheld, like the sweep of lucency across a vast sheet of glazed light.

Origin of lucency

  • Rarely lu·cence [loo-suhns] /ˈlu səns/ . Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use lucency in a sentence

  • How vividly it recalls a certain wild pool of strange, dim lucence where, for me, the trout would take no other lure.

    The Tent Dwellers | Albert Bigelow Paine
  • She gave herself time to adore the drapery, with its changes of meteoric lucence, before she rose and took it.

    Fennel and Rue | William Dean Howells