superposition
noun/ˌsuːpəpəˈzɪʃn/
/ˌsuːpərpəˈzɪʃn/
[uncountable, countable] (formal or specialist)- superposition (of something) (on/upon something) the act of putting something on or above something else
- At Hubbard's Cave, superposition of historic graffiti upon a layer of soot suggests that the passage had been mined prior to the mid-1820s.
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superposition