Definition of pearl

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Pearl (n.) A shelly concretion, usually rounded, and having a brilliant luster, with varying tints, found in the mantle, or between the mantle and shell, of certain bivalve mollusks, especially in the pearl oysters and river mussels, and sometimes in certain univalves. It is usually due to a secretion of shelly substance around some irritating foreign particle. Its substance is the same as nacre, or mother-of-pearl. Pearls which are round, or nearly round, and of fine luster, are highly esteemed

Lern More About Pearl

Impearled :: Impearled (imp. & p. p.) of Impear.
Spherulite :: Spherulite (n.) A minute spherical crystalline body having a radiated structure, observed in some vitreous volcanic rocks, as obsidian and pearlstone..
Bdellium :: Bdellium (n.) An unidentified substance mentioned in the Bible (Gen. ii. 12, and Num. xi. 7), variously taken to be a gum, a precious stone, or pearls, or perhaps a kind of amber found in Arabia..
Pearl :: Pearl (n.) A capsule of gelatin or similar substance containing some liquid for medicinal application, as ether..
Perlite :: Perlite (n.) Same as Pearlite.
Abalone :: Abalone (n.) A univalve mollusk of the genus Haliotis. The shell is lined with mother-of-pearl, and used for ornamental purposes; the sea-ear. Several large species are found on the coast of California, clinging closely to the rocks..
Pearlwort :: Pearlwort (n.) A name given to several species of Sagina, low and inconspicuous herbs of the Chickweed family..
Margaric :: Margaric (a.) Pertaining to, or resembling, pearl; pearly..
Potash :: Potash (n.) The impure potassium carbonate obtained by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash)..
Pearl :: Pearl (n.) A whitish speck or film on the eye.
Chinchilla :: Chinchilla (n.) A small rodent (Chinchilla lanigera), of the size of a large squirrel, remarkable for its fine fur, which is very soft and of a pearly gray color. It is a native of Peru and Chili..
Tetrabranchiata :: Tetrabranchiata (n. pl.) An order of Cephalopoda having four gills. Among living species it includes only the pearly nautilus. Numerous genera and species are found in the fossil state, such as Ammonites, Baculites, Orthoceras, etc..
Thuringite :: Thuringite (n.) A mineral occurring as an aggregation of minute scales having an olive-green color and pearly luster. It is a hydrous silicate of aluminia and iron.
Mother-of-pearl :: Mother-of-pearl (n.) The hard pearly internal layer of several kinds of shells, esp. of pearl oysters, river mussels, and the abalone shells; nacre. See Pearl..
Orient :: Orient (n.) A pearl of great luster.
Brucite :: Brucite (n.) A white, pearly mineral, occurring thin and foliated, like talc, and also fibrous; a native magnesium hydrate..
Oxamethylane :: Oxamethylane (n.) Methyl oxamate, obtained as a pearly white crystalline substance..
Pearlite :: Pearlite (n.) Alt. of Pearlston.
Agate :: Agate (n.) A kind of type, larger than pearl and smaller than nonpareil; in England called ruby..
Heulandite :: Heulandite (n.) A mineral of the Zeolite family, often occurring in amygdaloid, in foliated masses, and also in monoclinic crystals with pearly luster on the cleavage face. It is a hydrous silicate of alumina and lime..
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