noun
: something that has its parts so arranged as to present a reversal of the arrangement in another essentially similar thing regarded as a model or that is reversed with reference to an intervening axis or plane
noun
: something that has its parts so arranged as to present a reversal of the arrangement in another essentially similar thing regarded as a model or that is reversed with reference to an intervening axis or plane
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012