Definition from Wiktionary, the free dictionary
acromioclavicular (not comparable)
- (anatomy) Pertaining to both the acromion and the clavicle.
2009 September 7, Thayer Evans, “Uncertainty About Oklahoma and Injury to Its Quarterback”, New York Times:
- Frederick Matsen, the chairman of the department of orthopedics and sports medicine at the University of Washington, who has watched the hit that injured Bradford, said an injured acromioclavicular joint could be a bruise, a clavicle fracture, a mild separation or a severe separation.
pertaining to the acromion and the clavicle