单词	nacreous
释义	nacreous adjective na·​cre·​ous ˈnā-krē-əs  -k(ə-)rəs  : possessing the qualities of, consisting of, or abounding in nacre also : iridescent Synonyms iridescent opalescent pearlescent See all Synonyms & Antonyms Example Sentences the nacreous lining of the shell of a mollusk Recent Examples on the Web Quahogs produce non-nacreous, porcelainlike pearls, according to the Gemological Institute of America. Shannon Marvel Mcnaught, USA TODAY, 16 Aug. 2022 Markov processes include an element of randomness—in this case, the thickness of the outermost nacreous layer—but one that can be influenced by the system’s history. Leila Sloman, Popular Mechanics, 28 Feb. 2022 An alternative explanation is that the red skies were the result of nacreous clouds common to that particular latitude. Jennifer Ouellette, Ars Technica, 21 May 2020 Also called polar stratospheric clouds (or less precisely, rainbow clouds), nacreous clouds normally only form in high latitudes and at extremely cold temperatures. National Geographic, 3 Feb. 2016 The cold air the storm blew in also led to the formation of beautiful nacreous clouds. National Geographic, 3 Feb. 2016 Word History First Known Use 1819, in the meaning defined above Medical Definition nacreous adjective na·​cre·​ous ˈnā-krē-əs  -k(ə-)rəs  : having a pearly appearance nacreous bacterial colonies nacreous adjective as in opalescent having a rainbowlike play of colors the nacreous lining of the shell of a mollusk Synonyms & Similar Words Relevance opalescent iridescent colorful pearlescent polychrome varicolored multicolored polychromatic chatoyant variegated motley
随便看	ophthalmoscopy opianic acid opiate opiated opiater opiates opiatest opiatic opiating opifice opificer opificers opihi Opilia Opiliaceae opiliaceous Opilionea opiliones opilioneses opilionesses opilionina opilionine opinable opinant opinative

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