nacre
Example Sentences
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However, the exact processes and conditions that lead to nacre, a composite of biopolymers and platelets of crystalline calcium carbonate, are the subject of intense debate among experts, and different theories exist.
From Science Daily • Jan. 12, 2024
The mollusc deposits layers of aragonite and conchiolin, which together form nacre, also know as mother-of-pearl.
From BBC • Sep. 5, 2022
Dull on the outside, its nacre gleams pearlescent within.
From Seattle Times • Sep. 14, 2021
Some bivalves like oysters and mussels have the unique ability to secrete and deposit a calcareous nacre or “mother of pearl” around foreign particles that enter the mantle cavity.
From Textbooks • Apr. 25, 2013
A pearl consists of carbonate of lime, in the form of nacre, and animal matter arranged in concentric layers around a nucleus; the solution indicating no trace of any phosphate of lime.
From The Mirror of Literature, Amusement, and Instruction Volume 20, No. 570, October 13, 1832 by Various
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
