immiscible

/ɪ(m)ˈmɪsəbəl/

Definitions of immiscible

1. adjective

   (chemistry, physics) incapable of mixing
   synonyms: non-miscible, unmixable

   incompatible

   used especially of solids or solutions; incapable of blending into a stable homogeneous mixture

   antonyms:

   miscible

   (chemistry, physics) capable of being mixed

   compatible

   capable of forming a homogeneous mixture that neither separates nor is altered by chemical interaction