opalescent
🇺🇸
/ˌəʊpəˈlesnt/
🇬🇧
/ˌəʊpəˈlesnt/
A surface that shows many colors that seem to change when you look at it from different angles, like an opal.
The seashell had an opalescent sheen that shimmered in the sunlight.
這個海貝殼有一種在陽光照射下閃爍的乳光光澤。