There doesn't seem to be any real antonym for the word superimposed. It would make sense to use the word supraimposed, (as supra means earlier) however I have never seen that word used.
Circles that have congruent radii. Congruent=coinciding at all points when superimposed (http://dictionary.reference.com/browse/congruent)
In math best
Math is related to math because math(1) is technically math(2) itself, because there is really no description how math(1) is the same as math(2). There is only one math, except for types of math, like algebra.
Math is not just math you have to study it like subtration and addition. You use it on sheets or paper work.
superimposed central & left disc protrusion
Superimposed to create an artificial atrial fibrillation waveform.
Superimposed loads are the combination of all anticipated loads anticipated to be exerted on a structurally entity.
Congruence.
I saw black lines, like some sort of script, superimposed on a white background, surrounded by a gray line -it was the answer field!
no
Identicle in form; coinciding exactly when superimposed
trur
The text was superimposed on the image.
trur
Dissolve
identical in form; coinciding exactly when superimposed.