cholesteric
[ kuh-les-ter-ik, koh-luh-ster-ik ]
/ kəˈlɛs tər ɪk, ˌkoʊ ləˈstɛr ɪk /
adjective Chemistry, Physics.
of or relating to a form of liquid crystal having molecules arranged in thick, regular layers, and displaying marked color effects, especially in polarized light.