In mathematics:

In physics:

Exotic sphere - differentiable manifold homeomorphic but not diffeomorphic to the ordinary sphere

Exotic matter - a hypothetical concept of particle physics

Exotic atom atom with one or more electrons replaced by other negatively charged particles

Exotic mesons - non-quark model mesons

Exotic pet - non common pet

Exotic cat - a breed of cat

Exotic baryons - bound states of 3 quarks and additional particles

Exotic hadrons:

Exotic R⁴ - differentiable manifold homeomorphic but not diffeomorphic to the Euclidean space R⁴

Exoticism (from 'exotic') is a trend in art and design, influenced by some ethnic groups or civilizations since the late 19th-century. In music exoticism is a genre in which the rhythms, melodies, or instrumentation are designed to evoke the atmosphere...

Exotic dancer - a type of dancer or stripper

Exotic derivatives - a type of financial derivatives

Exotica (disambiguation)