mirror image
(in a plane mirror) reflected duplication of an object that appears almost identical, but is reversed in the direction perpendicular to the mirror surface
en-GB/ˈmɪɹə ˈɪmɪd͡ʒ/
en-US/ˈmɪɹɚ ˈɪməd͡ʒ/
(in a plane mirror) reflected duplication of an object that appears almost identical, but is reversed in the direction perpendicular to the mirror surface