the misidentification of a signal frequency, introducing distortion or error

high-frequency sounds are prone to aliasing

the use of aliases to designate files, commands, addresses, or other items

the distortion of a reproduced image so that curved or inclined lines appear inappropriately jagged, caused by the mapping of a number of points to the same pixel

misidentify (a signal frequency), introducing distortion or error

fringes at higher spatial frequency are aliased by the sensor