mé·lange also me·lange 
(mā-läɴzh)
(mā-läɴzh)n.
1. A mixture: "[a] building crowned with a mélange of antennae and satellite dishes" (Howard Kaplan).
2. Geology A metamorphic rock formation created from sediments and rocks scraped off the top of a downward-moving tectonic plate in a subduction zone.
[French, from Old French meslance, from mesler, to mix; see MEDDLE.]