- sonolucent
- In ultrasonography, containing few or no echoes; a misnomer for transonic or anechoic. See anechoic. [L. sonus, sound + L. luceo, to shine]
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sono·lu·cent .sän-ō-'lü-sənt adj allowing passage of ultrasonic waves without production of echoes that are due to reflection of some of the waves <a \sonolucent mass>* * *
sono·lu·cent (son″o-looґsənt) in ultrasonography, permitting the passage of ultrasound waves without reflecting them back to their source (without giving off echoes).
Medical dictionary. 2011.