Nacreous a. : Consisting of, or resembling, nacre; pearly.

Example:
Has anyone ever seen a Nacreous cloud from the ground? Do you have any pictures posted on Websites we can see

Taxonomy
nacreous, Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, Custom Search, glossary, english, language, ESL, Search, adjective, qualities, abounding, nacre, Unabridged Dictionary, Open Dictionary.

Defination from the web:
nacreous from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Learn more about "nacreous" with Google Search >> Custom Search. Learn more about "nacreous" and related topics at Britannica.com ...