A pale area revealed in radiography, computed tomography, or similar examination technique.(noun)
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Use "lucency" in a sentence
"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."
"Even with the thin lucency of the moon, it was hard to distinguish shapes, but after a moment she heard the groan again, deep and plaintive, and realized it was the lowing of a cow."
"The trees and the shrubs had a moist lucency to their foliage."