noun[ C ]medicalspecializeduk/ˌæm.ɪ.lɔɪd ˈplɑːk//ˌæm.ɪ.lɔɪd ˈplæk/us/ˌæm.ɪ.lɔɪd ˈplæk/
淀粉状蛋白斑
a collection of the protein amyloid that forms in the brains of people with Alzheimer's disease (= a disease affecting memory, speech, and the ability to think clearly)