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nacre    
n. 珠母贝,真珠质

珠母贝,真珠质

nacre
n 1: the iridescent internal layer of a mollusk shell [synonym:
{mother-of-pearl}, {nacre}]

Nacre \Na"cre\ (n[=a]"k[~e]r), n. [F., cf. Sp. n['a]cara,
n['a]car, It. nacchera, naccaro, LL. nacara, nacrum; of
Oriental origin, cf. Ar. nak[imac]r hollowed.] (Zool.)
A pearly substance which lines the interior of many shells,
and is most perfect in the mother-of-pearl. [Written also
{nacker} and {naker}.] See {Pearl}, and {Mother-of-pearl}.
[1913 Webster]


Nacr'e \Na`cr['e]"\ (n[.a]*kr[=a]"), a. [F. See {Nacre}.] (Art)
Having the peculiar iridescence of nacre, or mother-of-pearl,
or an iridescence resembling it; as, nacr['e] ware.
[Webster 1913 Suppl.]


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  • Nacre - Wikipedia
    Nacre is secreted by the epithelial cells of the mantle tissue of various molluscs The nacre is continuously deposited onto the inner surface of the shell, the iridescent nacreous layer, commonly known as mother-of-pearl
  • NACRE Definition Meaning - Merriam-Webster
    The meaning of NACRE is mother-of-pearl
  • What Is Nacre? The Science of Mother-of-Pearl - ScienceInsights
    Nacre, commonly known as mother-of-pearl, is a highly prized biomineral that forms the iridescent inner layer of the shells of certain mollusks This lustrous material is celebrated globally for its shimmering beauty, which shifts in color as light moves across its surface
  • Nacre - an overview | ScienceDirect Topics
    Nacre is a natural composite made of 95% brittle aragonite platelets (CaCO3 tablet) (Ji and Gao, 2004) and only 5% biological macromolecules which has an important effect on nacre’s fracture resistance (Jackson et al , 1989)
  • NACRE | English meaning - Cambridge Dictionary
    a smooth, hard substance forming a layer inside the shells of some sea creatures It is white but also seems to shine with different colours, and is used to make buttons and for decoration The oblique aperture is rounded-oval, with a very thin layer of bluish iridescent nacre within
  • Nacre and Nacre-Inspired Materials: Historical Background . . . - MDPI
    Nacre is a hierarchical natural composite comprising calcium carbonate (CaCO 3) platelets bonded by a biopolymer Its remarkable mechanical properties stem from this hierarchical structure, which results from assembling differently sized building blocks during growth
  • Nacre Victoire Leaked OnlyFans Viral XXX Videos, Page 2
    Watch all 38 leaked porn videos and OnlyFans clips from Nacre Victoire See Nacre Victoire's latest HD content, including videos in the Instagram, Tiktok, Twitter, Onlyfans categories Page 2
  • What Is Nacre? How Does It Impact The Value of Pearls?
    What is nacre? Nacre is the material that forms the bulk of pearls It is a beautiful, robust, radiant substance that gives pearls their beloved and enduring luster The term nacre comes from the Arabic word "nacreous," which means "cloudy "
  • Mother of Pearl: Nacre - Geology In
    Mother of pearl, also known as nacre, is the iridescent inner layer of the shells of certain mollusks, most commonly oysters, abalone, and freshwater mussels It's made of aragonite, a form of calcium carbonate, that is deposited in thin layers by the mollusk
  • Nacre - Wikiwand
    Nacre, also known as mother-of-pearl, is an organic–inorganic composite material produced by some molluscs as an inner shell layer It is also the material of which pearls are composed It is strong, resilient, and iridescent





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