cultured pearl
or culture pearl
noun
a pearl induced to form by placement of a grain of sand or another irritating object within the shell of a pearl oyster or mussel.
Origin of cultured pearl
First recorded in 1920–25
Words nearby cultured pearl
culture trait,
culture vulture,
culture war,
culture-free test,
cultured,
cultured pearl,
culturist,
culturology,
culturomics,
cultus,
cultus coolee
British Dictionary definitions for cultured pearl
cultured pearl
noun
a pearl induced to grow in the shell of an oyster or clam, by the insertion of a small object around which layers of nacre are deposited