Initialism of extraterrestrial biological entity.

(computing, formal) exabyte (1,000 petabytes or 10¹⁸ bytes) / (computing, informal) exbibyte (2¹⁰ (1024) pebibytes or 2⁶⁰ (1024⁶) bytes).

simple past tense and past participle of ebb

An optical illusion whereby a disk appears smaller if surrounded by larger disks than if by smaller.

plural of Ebbinghaus illusion