aberrations
n. C1 Advanced US //ˌæbɝˈeɪʃənz// UK //ˌæbəɹˈeɪʃənz// aber·ra·tions
n. things that are very different from what is normal or expected. You use this to describe strange behavior or physical flaws that do not fit the usual pattern.
n. deviations from what is normal, usual, or expected; also refers to physical imperfections in a lens or mirror that cause distorted images.
The scientist studied the strange aberrations in the data.
The telescope's lens suffered from several optical aberrations that made the stars appear blurry.
While most of the species followed the expected migration patterns, a few aberrations were observed in the northernmost populations, suggesting a significant shift in local climate conditions.