nacreous
21nacreouscloud — nacreous cloud n. A cloud resembling a cirrus, showing iridescent coloration when the sun is several degrees below the horizon. [From nacre(from the iridescent coloring of mother of pearl).] * * * …
22Mollusc shell — Closed and open shells of a marine bivalve, Petricola pholadiformis. A bivalve shell is composed of two hinged valves which are joined by a ligament …
23Pearl — For other uses, see Pearl (disambiguation). Pearl Pearls General Category Mineral Chemical formula Ca …
24Cloud — For other uses, see Cloud (disambiguation). Cumulus cloudscape over Swifts Creek, Australia A cloud …
25Nacre — Mother of pearl redirects here. For other uses, see Mother of pearl (disambiguation). Part of a series on Seashells …
26Polar stratospheric cloud — Antarctic stratospheric cloud (nacreous clouds) Abbreviation PSC Altitude 15,000–25,000 m (50,000–80,000 ft) …
27List of cloud types — Clouds are formed in Earth s atmosphere when water evaporates into vapor from oceans, lakes, and ponds or by evapotranspiration over moist areas of Earth s land surface. The vapor rises up into colder areas of the atmosphere due to convective,… …
28Conch — For other uses, see Conch (disambiguation). For the Indian Ritual Conch, see Shankha. Apertural view of an adult shell of the queen conch Lobatus gigas, from Trinidad Tobago …
29Shubunkin — nihongo|Shubunkins|朱文金 (translated literally as red brocade ) are a hardy, single tailed fancy goldfish with [http://en.wiktionary.org/wiki/nacreous nacreous] scales, and a pattern known as calico. The shubunkins are of Japanese origin. An… …
30mother-of-pearl cloud — noun a luminous iridescent cloud at a high altitude that may be seen when the sun is a few degrees below the horizon • Syn: ↑nacreous cloud • Hypernyms: ↑cloud * * * noun : nacreous cloud * * * mother of pearl cloud, = nacreous cloud. (Cf …