n. A pale area revealed in radiography, computed tomography, or similar examination technique.
the GNU version of the Collaborative International Dictionary of English
n. The quality of being lucent.
The Century Dictionary and Cyclopedia
n. The state or quality of being lucent; brightness; luster; splendor.
Word Usage
"So now you get a 2 page report that says linear lucency in right 3rd rib, clinical correlation recommended, underinflated lung fields cannot exclude underlying interstitial disease and or masses."