— superimposition /sooh'peuhr im'peuh zish"euhn/ , n.
/sooh'peuhr im pohz"/ , v.t., superimposed, superimposing .
1. to impose, place, or set over, above, or on something else.
2. to put or join as an addition (usually fol. by on or upon ).
3. Motion Pictures , Television. to print (an image) over another image so that both are seen at once: The credits were superimposed over the opening scene.
[ 1785-95; SUPER- + IMPOSE ]