OPALESCENT
Meaning of OPALESCENT in English
o ‧ pa ‧ les ‧ cent /ˌəʊpəˈles ə nt◂ $ ˌoʊ-/ BrE AmE adjective
literary having colours that shine and seem to change:
an opalescent sky
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012