superimposable

adjective

su·​per·​im·​pos·​able ˌsü-pər-im-ˈpō-zə-bəl 

: able to be superimposed so as to align with another exactly and show no perceptible difference

While the media reported differing conclusions, surprisingly, the curves from the two studies when put on the same graph are almost superimposable …

—James McCormack

The two different forms of alanine are mirror images of each other, but they are not superimposable and therefore not identical.

—Des W. Connell

Examples of superimposable in a Sentence

Recent Examples on the Web

For example, chiral molecular materials—molecules that exist as a pair of non-superimposable mirror images—will revolutionize quantum technologies. —Jessica Wade, WIRED, 27 Dec. 2022

Word History

First Known Use

1875, in the meaning defined above