pol⋅y⋅phon⋅ic

- adj.
1. consisting of many voices or sounds.
2. a. having two or more voices or parts, each with an independent melody, but all harmonizing; contrapuntal.
b. pertaining to music of this kind.
c. capable of producing more than one tone at a time.
3. having more than one phonetic value.

con⋅tra⋅pun⋅tal

- adj.
1. of or pertaining to counterpoint.
2. composed of two or more relatively independent melodies sounded together.

coun⋅ter⋅point

- noun
1. the art of combining melodies.
2. the texture resulting from the combining of individual melodic lines.
3. a melody composed to be combined with another melody.
4. syncopation.
5. any element that is juxtaposed and contrasted with another.
- verb
6. to emphasize or clarify by contrast or juxtaposition.